Specifications & Stuff
Standards to live by
Below are some of the specifications and standards that are used in our products. Click for more details.
SAE J514C 4-Bolt Flange SpecificationMale O-Ring Boss (ORB) SpecificationFemale O-Ring Boss (ORB) SpecificationNational Pipe Thread SpecificationJoint Industry Council (JIC) SpecificationBritish Standard Pipe Parallel (BSPP) SpecificationA.S.A. Pipe Schedules
Male O-Ring Boss (ORB) Specification


Nom. Size | Dash No. | UNF Thread | C Hex | D +.005 -.000 | G +.002 -.003 | H +.015 -.000 | I ±.005 | T | Q | X | N70 O-Ring |
---|---|---|---|---|---|---|---|---|---|---|---|
1/8 | -02 | 5/16”-24 | 7/16 | 0.093 | 0.250 | 0.063 | 0.297 | 0.125 | 0.06 | 0.438 | 2-902 |
3/16 | -03 | 3/8”-24 | 1/2 | 0.125 | 0.313 | 0.063 | 0.297 | 0.125 | 0.08 | 0.500 | 2-903 |
1/4 | -04 | 7/16”-20 | 9/16 | 0.203 | 0.364 | 0.075 | 0.360 | 0.156 | 0.10 | 0.563 | 2-904 |
5/16 | -05 | 1/2”-20 | 5/8 | 0.234 | 0.427 | 0.075 | 0.360 | 0.156 | 0.12 | 0.625 | 2-905 |
3/8 | -06 | 9/16”-18 | 11/16 | 0.297 | 0.482 | 0.083 | 0.391 | 0.188 | 0.16 | 0.688 | 2-906 |
1/2 | -08 | 3/4”-16 | 7/8 | 0.422 | 0.660 | 0.094 | 0.438 | 0.188 | 0.22 | 0.875 | 2-908 |
5/8 | -10 | 7/8”-14 | 1 | 0.500 | 0.773 | 0.107 | 0.500 | 0.250 | 0.25 | 1.000 | 2-910 |
3/4 | -12 | 1-1/16”-12 | 1-1/4 | 0.656 | 0.945 | 0.125 | 0.594 | 0.313 | 0.25 | 1.250 | 2-912 |
7/8 | -14 | 1-3/16”-12 | 1-3/8 | 0.718 | 1.07 | 0.125 | 0.594 | 0.313 | 0.25 | 1.375 | 2-914 |
1 | -16 | 1-5/16”-12 | 1-1/2 | 0.875 | 1.195 | 0.125 | 0.594 | 0.375 | 0.25 | 1.500 | 2-916 |
1-1/4 | -20 | 1-5/8”-12 | 1-7/8 | 1.093 | 1.507 | 0.125 | 0.594 | 0.375 | 0.25 | 1.875 | 2-920 |
1-1/2 | -24 | 1-7/8”-12 | 2-1/8 | 1.344 | 1.756 | 0.125 | 0.594 | 0.375 | 0.25 | 2.125 | 2-924 |
2 | -32 | 2-1/2”-12 | 2-3/4 | 1.813 | 2.381 | 0.125 | 0.594 | 0.375 | 0.30 | 2.750 | 2-932 |