| FIRST END LOCATION | SQUARE END |
| FIRST END STYLE | SQUARE |
| FIRST STEP LENGTH | 0.094 INCHES NOMINAL |
| FIRST STEP DIAMETER | 0.252 INCHES MINIMUM AND 0.256 INCHES MAXIMUM |
| OVERALL LENGTH | 2.375 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,CONDITION A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 347 OR STEEL COMP 430 OVERALL |
| NOMINAL THREAD SIZE | 0.138 INCHES |
| SECOND END RELATIONSHIP WITH FIRST END | IDENTICAL |
| SECOND STEP DIAMETER | 0.312 INCHES NOMINAL |
| SECOND STEP LENGTH | 0.094 INCHES NOMINAL |
| SHOULDER WIDTH ACROSS FLATS | 0.312 INCHES NOMINAL |
| STYLE DESIGNATOR | SHOULDER |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | CMC 197-117,CAGEC 90073 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THIRD STEP DIAMETER | 0.133 INCHES MINIMUM AND 0.138 INCHES MAXIMUM |
| THIRD STEP LENGTH | 0.625 INCHES NOMINAL |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.500 INCHES NOMINAL |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |