Gregory Bender

BS 1806 O-ring standard specifications (inch)

I learned much of this information from the Argo Group, Gapi S.p.A., and Precision Associates websites.

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About the BS 1806 standard for O-rings

The BS 1806 standard for O-rings is produced by the British Standards Institution. The BS 1806 specification describes 464 O-rings. Each size is designated with a dash number and can be described using two values: the inside diameter and diameter of the cross-section. The BS 1806 standard includes all of the 5 main cross section groups in AS 568 A standard plus extra sizes in the 14 inch nominal cross-section group.

In contrast to the AS 568 A inch system, the nominal and physical dimensions of metric O-rings match precisely. That is, a 1 mm O-ring will have a cross-section of 1 mm. The space that is being filled must be about 10% to 15% smaller than the cross-section of the O-ring in order for O-ring to seal properly.

Sizes within the BS 1806 standard for O-rings

This table includes O-ring sizes there were included in earlier versions of the BS 1806 standard, but later eliminated.

Size reference code (dash number)Decimal size in inchesDecimal size in millimeters
Cross-sectionIDCross-sectionID
-0010.04 inch0.029 inch1.02 mm0.74 mm
-6060.04 inch0.07 inch1.02 mm1.78 mm
-6070.04 inch0.1 inch1.02 mm2.54 mm
-0020.05 inch0.042 inch1.27 mm1.07 mm
-0030.06 inch0.056 inch1.52 mm1.42 mm
-9020.064 inch0.239 inch1.63 mm6.07 mm
-9030.064 inch0.301 inch1.63 mm7.65 mm
-0040.07 inch0.07 inch1.78 mm1.78 mm
-0050.07 inch0.101 inch1.78 mm2.57 mm
-0060.07 inch0.114 inch1.78 mm2.9 mm
-8010.07 inch0.125 inch1.78 mm3.18 mm
-0070.07 inch0.145 inch1.78 mm3.68 mm
-0080.07 inch0.176 inch1.78 mm4.47 mm
-8020.07 inch0.187 inch1.78 mm4.75 mm
-0090.07 inch0.208 inch1.78 mm5.28 mm
-0100.07 inch0.239 inch1.78 mm6.07 mm
-8030.07 inch0.25 inch1.78 mm6.35 mm
-6100.07 inch0.266 inch1.78 mm6.76 mm
-0110.07 inch0.301 inch1.78 mm7.65 mm
-8040.07 inch0.313 inch1.78 mm7.94 mm
-6110.07 inch0.344 inch1.78 mm8.74 mm
-0120.07 inch0.364 inch1.78 mm9.25 mm
-0130.07 inch0.426 inch1.78 mm10.82 mm
-8060.07 inch0.437 inch1.78 mm11.1 mm
-0140.07 inch0.489 inch1.78 mm12.42 mm
-0150.07 inch0.551 inch1.78 mm14 mm
-0160.07 inch0.614 inch1.78 mm15.6 mm
-0170.07 inch0.676 inch1.78 mm17.17 mm
-0180.07 inch0.739 inch1.78 mm18.77 mm
-0190.07 inch0.801 inch1.78 mm20.35 mm
-0200.07 inch0.864 inch1.78 mm21.95 mm
-0210.07 inch0.926 inch1.78 mm23.52 mm
-0220.07 inch0.989 inch1.78 mm25.12 mm
-0230.07 inch1.051 inch1.78 mm26.7 mm
-0240.07 inch1.114 inch1.78 mm28.3 mm
-0250.07 inch1.176 inch1.78 mm29.87 mm
-0260.07 inch1.239 inch1.78 mm31.47 mm
-0270.07 inch1.301 inch1.78 mm33.05 mm
-0280.07 inch1.364 inch1.78 mm34.65 mm
-5170.07 inch1.428 inch1.78 mm36.27 mm
-0290.07 inch1.489 inch1.78 mm37.82 mm
-5190.07 inch1.553 inch1.78 mm39.45 mm
-0300.07 inch1.614 inch1.78 mm41 mm
-0310.07 inch1.739 inch1.78 mm44.17 mm
-0320.07 inch1.864 inch1.78 mm47.35 mm
-0330.07 inch1.989 inch1.78 mm50.52 mm
-0340.07 inch2.114 inch1.78 mm53.7 mm
-0350.07 inch2.239 inch1.78 mm56.87 mm
-0360.07 inch2.364 inch1.78 mm60.05 mm
-0370.07 inch2.489 inch1.78 mm63.22 mm
-0380.07 inch2.614 inch1.78 mm66.4 mm
-0390.07 inch2.739 inch1.78 mm69.57 mm
-0400.07 inch2.864 inch1.78 mm72.75 mm
-0410.07 inch2.989 inch1.78 mm75.92 mm
-5320.07 inch3.11 inch1.78 mm78.99 mm
-0420.07 inch3.239 inch1.78 mm82.27 mm
-5340.07 inch3.36 inch1.78 mm85.34 mm
-0430.07 inch3.489 inch1.78 mm88.62 mm
-5360.07 inch3.61 inch1.78 mm91.69 mm
-0440.07 inch3.739 inch1.78 mm94.97 mm
-5380.07 inch3.86 inch1.78 mm98.04 mm
-0450.07 inch3.989 inch1.78 mm101.32 mm
-5400.07 inch4.11 inch1.78 mm104.39 mm
-0460.07 inch4.239 inch1.78 mm107.67 mm
-5420.07 inch4.36 inch1.78 mm110.74 mm
-0470.07 inch4.489 inch1.78 mm114.02 mm
-5440.07 inch4.61 inch1.78 mm117.09 mm
-0480.07 inch4.739 inch1.78 mm120.37 mm
-5460.07 inch4.86 inch1.78 mm123.44 mm
-0490.07 inch4.989 inch1.78 mm126.72 mm
-5480.07 inch5.095 inch1.78 mm129.41 mm
-0500.07 inch5.239 inch1.78 mm133.07 mm
-5500.07 inch5.345 inch1.78 mm135.76 mm
-5510.07 inch5.47 inch1.78 mm138.94 mm
-5520.07 inch5.595 inch1.78 mm142.11 mm
-5530.07 inch5.72 inch1.78 mm145.29 mm
-5540.07 inch5.845 inch1.78 mm148.46 mm
-5550.07 inch5.97 inch1.78 mm151.64 mm
-5560.07 inch6.095 inch1.78 mm154.81 mm
-5570.07 inch6.22 inch1.78 mm157.99 mm
-5580.07 inch6.345 inch1.78 mm161.16 mm
-5590.07 inch6.47 inch1.78 mm164.34 mm
-5600.07 inch6.695 inch1.78 mm170.05 mm
-5610.07 inch6.72 inch1.78 mm170.69 mm
-5620.07 inch6.845 inch1.78 mm173.86 mm
-1020.103 inch0.049 inch2.62 mm1.24 mm
-1030.103 inch0.081 inch2.62 mm2.06 mm
-1040.103 inch0.112 inch2.62 mm2.84 mm
-1050.103 inch0.143 inch2.62 mm3.63 mm
-1060.103 inch0.175 inch2.62 mm4.45 mm
-1070.103 inch0.206 inch2.62 mm5.23 mm
-1080.103 inch0.237 inch2.62 mm6.02 mm
-1090.103 inch0.299 inch2.62 mm7.59 mm
-1100.103 inch0.362 inch2.62 mm9.19 mm
-6130.103 inch0.391 inch2.62 mm9.93 mm
-1110.103 inch0.424 inch2.62 mm10.77 mm
-6140.103 inch0.469 inch2.62 mm11.91 mm
-1120.103 inch0.487 inch2.62 mm12.37 mm
-8070.103 inch0.5 inch2.62 mm12.7 mm
-6150.103 inch0.516 inch2.62 mm13.11 mm
-1130.103 inch0.549 inch2.62 mm13.94 mm
-6160.103 inch0.594 inch2.62 mm15.09 mm
-1140.103 inch0.612 inch2.62 mm15.54 mm
-8090.103 inch0.625 inch2.62 mm15.88 mm
-1150.103 inch0.674 inch2.62 mm17.12 mm
-8100.103 inch0.687 inch2.62 mm17.45 mm
-6170.103 inch0.703 inch2.62 mm17.86 mm
-1160.103 inch0.737 inch2.62 mm18.72 mm
-1170.103 inch0.799 inch2.62 mm20.29 mm
-8120.103 inch0.812 inch2.62 mm20.62 mm
-1180.103 inch0.862 inch2.62 mm21.89 mm
-8130.103 inch0.875 inch2.62 mm22.23 mm
-1190.103 inch0.924 inch2.62 mm23.47 mm
-8140.103 inch0.937 inch2.62 mm23.8 mm
-1200.103 inch0.987 inch2.62 mm25.07 mm
-1210.103 inch1.049 inch2.62 mm26.64 mm
-1220.103 inch1.112 inch2.62 mm28.24 mm
-1230.103 inch1.174 inch2.62 mm29.82 mm
-1240.103 inch1.237 inch2.62 mm31.42 mm
-1250.103 inch1.299 inch2.62 mm32.99 mm
-1260.103 inch1.362 inch2.62 mm34.59 mm
-1270.103 inch1.424 inch2.62 mm36.17 mm
-1280.103 inch1.487 inch2.62 mm37.77 mm
-1290.103 inch1.549 inch2.62 mm39.34 mm
-1300.103 inch1.612 inch2.62 mm40.94 mm
-1310.103 inch1.674 inch2.62 mm42.52 mm
-1320.103 inch1.737 inch2.62 mm44.12 mm
-1330.103 inch1.799 inch2.62 mm45.69 mm
-1340.103 inch1.862 inch2.62 mm47.29 mm
-1350.103 inch1.925 inch2.62 mm48.9 mm
-1360.103 inch1.987 inch2.62 mm50.47 mm
-1370.103 inch2.05 inch2.62 mm52.07 mm
-1380.103 inch2.112 inch2.62 mm53.64 mm
-1390.103 inch2.175 inch2.62 mm55.25 mm
-1400.103 inch2.237 inch2.62 mm56.82 mm
-1410.103 inch2.3 inch2.62 mm58.42 mm
-1420.103 inch2.362 inch2.62 mm59.99 mm
-1430.103 inch2.425 inch2.62 mm61.6 mm
-1440.103 inch2.487 inch2.62 mm63.17 mm
-1450.103 inch2.55 inch2.62 mm64.77 mm
-1460.103 inch2.612 inch2.62 mm66.34 mm
-1470.103 inch2.675 inch2.62 mm67.95 mm
-1480.103 inch2.737 inch2.62 mm69.52 mm
-1490.103 inch2.8 inch2.62 mm71.12 mm
-1500.103 inch2.862 inch2.62 mm72.69 mm
-6400.103 inch2.924 inch2.62 mm74.27 mm
-1510.103 inch2.987 inch2.62 mm75.87 mm
-6410.103 inch3.049 inch2.62 mm77.44 mm
-6420.103 inch3.174 inch2.62 mm80.62 mm
-1520.103 inch3.237 inch2.62 mm82.22 mm
-6430.103 inch3.299 inch2.62 mm83.79 mm
-1530.103 inch3.487 inch2.62 mm88.57 mm
-1540.103 inch3.737 inch2.62 mm94.92 mm
-1550.103 inch3.987 inch2.62 mm101.27 mm
-1560.103 inch4.237 inch2.62 mm107.62 mm
-1570.103 inch4.487 inch2.62 mm113.97 mm
-1580.103 inch4.737 inch2.62 mm120.32 mm
-1590.103 inch4.987 inch2.62 mm126.67 mm
-1600.103 inch5.237 inch2.62 mm133.02 mm
-1610.103 inch5.487 inch2.62 mm139.37 mm
-1620.103 inch5.737 inch2.62 mm145.72 mm
-1630.103 inch5.987 inch2.62 mm152.07 mm
-1640.103 inch6.237 inch2.62 mm158.42 mm
-1650.103 inch6.487 inch2.62 mm164.77 mm
-1660.103 inch6.737 inch2.62 mm171.12 mm
-1670.103 inch6.987 inch2.62 mm177.47 mm
-1680.103 inch7.237 inch2.62 mm183.82 mm
-1690.103 inch7.487 inch2.62 mm190.17 mm
-1700.103 inch7.737 inch2.62 mm196.52 mm
-1710.103 inch7.987 inch2.62 mm202.87 mm
-1720.103 inch8.237 inch2.62 mm209.22 mm
-1730.103 inch8.487 inch2.62 mm215.57 mm
-1740.103 inch8.737 inch2.62 mm221.92 mm
-1750.103 inch8.987 inch2.62 mm228.27 mm
-1760.103 inch9.237 inch2.62 mm234.62 mm
-1770.103 inch9.487 inch2.62 mm240.97 mm
-1780.103 inch9.737 inch2.62 mm247.32 mm
-2010.139 inch0.171 inch3.53 mm4.34 mm
-2020.139 inch0.234 inch3.53 mm5.94 mm
-2030.139 inch0.296 inch3.53 mm7.52 mm
-2040.139 inch0.359 inch3.53 mm9.12 mm
-2050.139 inch0.421 inch3.53 mm10.69 mm
-2060.139 inch0.484 inch3.53 mm12.29 mm
-2070.139 inch0.549 inch3.53 mm13.94 mm
-2080.139 inch0.609 inch3.53 mm15.47 mm
-2090.139 inch0.672 inch3.53 mm17.07 mm
-2100.139 inch0.734 inch3.53 mm18.64 mm
-2110.139 inch0.796 inch3.53 mm20.22 mm
-2120.139 inch0.859 inch3.53 mm21.82 mm
-2130.139 inch0.921 inch3.53 mm23.39 mm
-2140.139 inch0.984 inch3.53 mm24.99 mm
-6180.139 inch1.016 inch3.53 mm25.81 mm
-2150.139 inch1.046 inch3.53 mm26.57 mm
-2160.139 inch1.109 inch3.53 mm28.17 mm
-2170.139 inch1.171 inch3.53 mm29.74 mm
-2180.139 inch1.234 inch3.53 mm31.34 mm
-2190.139 inch1.296 inch3.53 mm32.92 mm
-2200.139 inch1.359 inch3.53 mm34.52 mm
-2210.139 inch1.421 inch3.53 mm36.09 mm
-2220.139 inch1.484 inch3.53 mm37.69 mm
-8240.139 inch1.563 inch3.53 mm39.7 mm
-2230.139 inch1.609 inch3.53 mm40.87 mm
-8250.139 inch1.625 inch3.53 mm41.28 mm
-8260.139 inch1.687 inch3.53 mm42.85 mm
-2240.139 inch1.734 inch3.53 mm44.04 mm
-8270.139 inch1.75 inch3.53 mm44.45 mm
-8280.139 inch1.813 inch3.53 mm46.04 mm
-2250.139 inch1.859 inch3.53 mm47.22 mm
-8290.139 inch1.875 inch3.53 mm47.63 mm
-8300.139 inch1.937 inch3.53 mm49.2 mm
-2260.139 inch1.984 inch3.53 mm50.39 mm
-8310.139 inch2 inch3.53 mm50.8 mm
-8320.139 inch2.063 inch3.53 mm52.39 mm
-2270.139 inch2.109 inch3.53 mm53.57 mm
-8330.139 inch2.125 inch3.53 mm53.98 mm
-8340.139 inch2.187 inch3.53 mm55.55 mm
-2280.139 inch2.234 inch3.53 mm56.74 mm
-8350.139 inch2.25 inch3.53 mm57.15 mm
-8360.139 inch2.313 inch3.53 mm58.74 mm
-2290.139 inch2.359 inch3.53 mm59.92 mm
-8370.139 inch2.375 inch3.53 mm60.33 mm
-8380.139 inch2.437 inch3.53 mm61.9 mm
-2300.139 inch2.484 inch3.53 mm63.09 mm
-8390.139 inch2.5 inch3.53 mm63.5 mm
-8400.139 inch2.563 inch3.53 mm65.1 mm
-2310.139 inch2.609 inch3.53 mm66.27 mm
-8410.139 inch2.625 inch3.53 mm66.68 mm
-8420.139 inch2.687 inch3.53 mm68.25 mm
-2320.139 inch2.734 inch3.53 mm69.44 mm
-8430.139 inch2.75 inch3.53 mm69.85 mm
-8440.139 inch2.813 inch3.53 mm71.44 mm
-2330.139 inch2.859 inch3.53 mm72.62 mm
-8450.139 inch2.875 inch3.53 mm73.03 mm
-8460.139 inch2.937 inch3.53 mm74.6 mm
-2340.139 inch2.984 inch3.53 mm75.79 mm
-2350.139 inch3.109 inch3.53 mm78.97 mm
-2360.139 inch3.234 inch3.53 mm82.14 mm
-2370.139 inch3.359 inch3.53 mm85.32 mm
-2380.139 inch3.484 inch3.53 mm88.49 mm
-2390.139 inch3.609 inch3.53 mm91.67 mm
-2400.139 inch3.734 inch3.53 mm94.84 mm
-2410.139 inch3.859 inch3.53 mm98.02 mm
-2420.139 inch3.984 inch3.53 mm101.19 mm
-2430.139 inch4.109 inch3.53 mm104.37 mm
-2440.139 inch4.234 inch3.53 mm107.54 mm
-2450.139 inch4.359 inch3.53 mm110.72 mm
-2460.139 inch4.484 inch3.53 mm113.89 mm
-2470.139 inch4.609 inch3.53 mm117.07 mm
-2480.139 inch4.734 inch3.53 mm120.24 mm
-2490.139 inch4.859 inch3.53 mm123.42 mm
-2500.139 inch4.984 inch3.53 mm126.59 mm
-2510.139 inch5.109 inch3.53 mm129.77 mm
-2520.139 inch5.234 inch3.53 mm132.94 mm
-2530.139 inch5.359 inch3.53 mm136.12 mm
-2540.139 inch5.484 inch3.53 mm139.29 mm
-2550.139 inch5.609 inch3.53 mm142.47 mm
-2560.139 inch5.734 inch3.53 mm145.64 mm
-2570.139 inch5.859 inch3.53 mm148.82 mm
-2580.139 inch5.984 inch3.53 mm151.99 mm
-2590.139 inch6.234 inch3.53 mm158.34 mm
-2600.139 inch6.484 inch3.53 mm164.69 mm
-2610.139 inch6.734 inch3.53 mm171.04 mm
-2620.139 inch6.984 inch3.53 mm177.39 mm
-2630.139 inch7.234 inch3.53 mm183.74 mm
-2640.139 inch7.484 inch3.53 mm190.09 mm
-2650.139 inch7.734 inch3.53 mm196.44 mm
-2660.139 inch7.984 inch3.53 mm202.79 mm
-2670.139 inch8.234 inch3.53 mm209.14 mm
-2680.139 inch8.484 inch3.53 mm215.49 mm
-2690.139 inch8.734 inch3.53 mm221.84 mm
-2700.139 inch8.984 inch3.53 mm228.19 mm
-2710.139 inch9.234 inch3.53 mm234.54 mm
-2720.139 inch9.484 inch3.53 mm240.89 mm
-2730.139 inch9.734 inch3.53 mm247.24 mm
-2740.139 inch9.984 inch3.53 mm253.59 mm
-2750.139 inch10.484 inch3.53 mm266.29 mm
-2760.139 inch10.984 inch3.53 mm278.99 mm
-2770.139 inch11.484 inch3.53 mm291.69 mm
-2780.139 inch11.984 inch3.53 mm304.39 mm
-2790.139 inch12.984 inch3.53 mm329.79 mm
-2800.139 inch13.984 inch3.53 mm355.19 mm
-2810.139 inch14.984 inch3.53 mm380.59 mm
-3090.21 inch0.412 inch5.33 mm10.46 mm
-3100.21 inch0.475 inch5.33 mm12.07 mm
-3110.21 inch0.537 inch5.33 mm13.64 mm
-3120.21 inch0.6 inch5.33 mm15.24 mm
-3130.21 inch0.662 inch5.33 mm16.81 mm
-3140.21 inch0.725 inch5.33 mm18.42 mm
-3150.21 inch0.787 inch5.33 mm19.99 mm
-3160.21 inch0.85 inch5.33 mm21.59 mm
-3170.21 inch0.912 inch5.33 mm23.16 mm
-3180.21 inch0.975 inch5.33 mm24.77 mm
-3190.21 inch1.037 inch5.33 mm26.34 mm
-3200.21 inch1.1 inch5.33 mm27.94 mm
-3210.21 inch1.162 inch5.33 mm29.51 mm
-3220.21 inch1.225 inch5.33 mm31.12 mm
-3230.21 inch1.287 inch5.33 mm32.69 mm
-3240.21 inch1.35 inch5.33 mm34.29 mm
-3250.21 inch1.475 inch5.33 mm37.47 mm
-3260.21 inch1.6 inch5.33 mm40.64 mm
-3270.21 inch1.725 inch5.33 mm43.82 mm
-3280.21 inch1.85 inch5.33 mm46.99 mm
-3290.21 inch1.975 inch5.33 mm50.17 mm
-3300.21 inch2.1 inch5.33 mm53.34 mm
-3310.21 inch2.225 inch5.33 mm56.52 mm
-3320.21 inch2.35 inch5.33 mm59.69 mm
-3330.21 inch2.475 inch5.33 mm62.87 mm
-3340.21 inch2.6 inch5.33 mm66.04 mm
-3350.21 inch2.725 inch5.33 mm69.22 mm
-3360.21 inch2.85 inch5.33 mm72.39 mm
-6190.21 inch2.938 inch5.33 mm74.61 mm
-3370.21 inch2.975 inch5.33 mm75.57 mm
-3380.21 inch3.1 inch5.33 mm78.74 mm
-6200.21 inch3.141 inch5.33 mm79.78 mm
-3390.21 inch3.225 inch5.33 mm81.92 mm
-3400.21 inch3.35 inch5.33 mm85.09 mm
-3410.21 inch3.475 inch5.33 mm88.27 mm
-6210.21 inch3.531 inch5.33 mm89.69 mm
-3420.21 inch3.6 inch5.33 mm91.44 mm
-3430.21 inch3.725 inch5.33 mm94.62 mm
-3440.21 inch3.85 inch5.33 mm97.79 mm
-6220.21 inch3.937 inch5.33 mm100 mm
-3450.21 inch3.975 inch5.33 mm100.97 mm
-3460.21 inch4.1 inch5.33 mm104.14 mm
-3470.21 inch4.225 inch5.33 mm107.32 mm
-6230.21 inch4.313 inch5.33 mm109.54 mm
-3480.21 inch4.35 inch5.33 mm110.49 mm
-3490.21 inch4.475 inch5.33 mm113.67 mm
-3500.21 inch4.6 inch5.33 mm116.84 mm
-8600.21 inch4.625 inch5.33 mm117.48 mm
-3510.21 inch4.725 inch5.33 mm120.02 mm
-8610.21 inch4.75 inch5.33 mm120.65 mm
-3520.21 inch4.85 inch5.33 mm123.19 mm
-8620.21 inch4.875 inch5.33 mm123.83 mm
-3530.21 inch4.975 inch5.33 mm126.37 mm
-8630.21 inch5 inch5.33 mm127 mm
-3540.21 inch5.1 inch5.33 mm129.54 mm
-8640.21 inch5.125 inch5.33 mm130.18 mm
-3550.21 inch5.225 inch5.33 mm132.72 mm
-8650.21 inch5.25 inch5.33 mm133.35 mm
-3560.21 inch5.35 inch5.33 mm135.89 mm
-8660.21 inch5.375 inch5.33 mm136.53 mm
-3570.21 inch5.475 inch5.33 mm139.07 mm
-8670.21 inch5.5 inch5.33 mm139.7 mm
-3580.21 inch5.6 inch5.33 mm142.24 mm
-8680.21 inch5.625 inch5.33 mm142.88 mm
-3590.21 inch5.725 inch5.33 mm145.42 mm
-8690.21 inch5.75 inch5.33 mm146.05 mm
-3600.21 inch5.85 inch5.33 mm148.59 mm
-8700.21 inch5.875 inch5.33 mm149.23 mm
-3610.21 inch5.975 inch5.33 mm151.77 mm
-6440.21 inch6.1 inch5.33 mm154.94 mm
-3620.21 inch6.225 inch5.33 mm158.12 mm
-6450.21 inch6.35 inch5.33 mm161.29 mm
-3630.21 inch6.475 inch5.33 mm164.47 mm
-6460.21 inch6.6 inch5.33 mm167.64 mm
-3640.21 inch6.725 inch5.33 mm170.82 mm
-6470.21 inch6.85 inch5.33 mm173.99 mm
-3650.21 inch6.975 inch5.33 mm177.17 mm
-3660.21 inch7.225 inch5.33 mm183.52 mm
-3670.21 inch7.475 inch5.33 mm189.87 mm
-3680.21 inch7.725 inch5.33 mm196.22 mm
-3690.21 inch7.975 inch5.33 mm202.57 mm
-3700.21 inch8.225 inch5.33 mm208.92 mm
-3710.21 inch8.475 inch5.33 mm215.27 mm
-3720.21 inch8.725 inch5.33 mm221.62 mm
-3730.21 inch8.975 inch5.33 mm227.97 mm
-3740.21 inch9.225 inch5.33 mm234.32 mm
-3750.21 inch9.475 inch5.33 mm240.67 mm
-3760.21 inch9.725 inch5.33 mm247.02 mm
-3770.21 inch9.975 inch5.33 mm253.37 mm
-3780.21 inch10.475 inch5.33 mm266.07 mm
-3790.21 inch10.975 inch5.33 mm278.77 mm
-3800.21 inch11.475 inch5.33 mm291.47 mm
-3810.21 inch11.975 inch5.33 mm304.17 mm
-3820.21 inch12.975 inch5.33 mm329.57 mm
-3830.21 inch13.975 inch5.33 mm354.97 mm
-3840.21 inch14.975 inch5.33 mm380.37 mm
-3850.21 inch15.955 inch5.33 mm405.26 mm
-3860.21 inch16.955 inch5.33 mm430.66 mm
-3870.21 inch17.955 inch5.33 mm456.06 mm
-3880.21 inch18.955 inch5.33 mm481.46 mm
-3890.21 inch19.955 inch5.33 mm506.86 mm
-3900.21 inch20.955 inch5.33 mm532.26 mm
-3910.21 inch21.955 inch5.33 mm557.66 mm
-3920.21 inch22.94 inch5.33 mm582.68 mm
-3930.21 inch23.94 inch5.33 mm608.08 mm
-3940.21 inch24.94 inch5.33 mm633.48 mm
-3950.21 inch25.94 inch5.33 mm658.88 mm
-4250.275 inch4.475 inch6.99 mm113.67 mm
-6240.275 inch4.516 inch6.99 mm114.71 mm
-4260.275 inch4.6 inch6.99 mm116.84 mm
-4270.275 inch4.725 inch6.99 mm120.02 mm
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