| FIRST END LOCATION | BOTH ENDS |
| FIRST END STYLE | SQUARE |
| OVERALL LENGTH | 0.333 INCHES MINIMUM AND 0.353 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-626,COMP 22,1/2H FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | COPPER ALLOY 360 OVERALL |
| NOMINAL THREAD SIZE | 0.112 INCHES |
| SECOND END RELATIONSHIP WITH FIRST END | IDENTICAL |
| SECOND SHANK DIAMETER | 0.156 INCHES NOMINAL |
| SECOND SHANK LENGTH | 0.181 INCHES NOMINAL |
| SECOND UNDERCUT DIAMETER | 0.080 INCHES MINIMUM AND 0.100 INCHES MAXIMUM |
| SECOND UNDERCUT WIDTH | 0.015 INCHES MINIMUM AND 0.035 INCHES MAXIMUM |
| SHANK DIAMETER | 0.112 INCHES NOMINAL |
| SHANK LENGTH | 0.115 INCHES NOMINAL |
| SHOULDER DIAMETER | 0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| STYLE DESIGNATOR | UNDERCUT |
| THREAD LENGTH | 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| UNDERCUT DIAMETER | 0.080 INCHES MINIMUM AND 0.100 INCHES MAXIMUM |
| UNDERCUT WIDTH | 0.015 INCHES MINIMUM AND 0.035 INCHES MAXIMUM |