| FIRST END STYLE | CHAMFERED |
| FIRST END TAPER LENGTH | 0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM |
| FIRST END LOCATION | UNTHREADED END |
| HARDNESS RATING | 24.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL |
| OVERALL LENGTH | 7.500 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | IRON ALLOY 660 OVERALL |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| SHOULDER DIAMETER | 0.361 INCHES MINIMUM AND 0.365 INCHES MAXIMUM |
| SPECIAL FEATURES | 0.240 IN MIN 0.250 IN MAX WIDTH ACROSS FLATS ADJACENT TO UNDERCUT |
| SECOND END STYLE | SQUARE |
| SECOND END RELATIONSHIP WITH FIRST END | NOT IDENTICAL |
| SHANK DIAMETER | 0.250 INCHES NOMINAL |
| SHANK LENGTH | 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM |
| UNDERCUT DIAMETER | 0.175 INCHES MINIMUM AND 0.185 INCHES MAXIMUM |
| UNDERCUT WIDTH | 0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM |
| STYLE DESIGNATOR | UNDERCUT |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.515 INCHES MINIMUM AND 0.535 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |