| FASTENER LENGTH | 4.091 INCHES NOMINAL |
| HEAD HEIGHT | 0.190 INCHES NOMINAL |
| HEAD STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP XM-13 OVERALL |
| NOMINAL THREAD DIAMETER | 0.750 INCHES |
| SHOULDER DIAMETER | 0.998 INCHES MINIMUM AND 0.999 INCHES MAXIMUM SECOND SHOULDER |
| SHOULDER DIAMETER | 1.373 INCHES MINIMUM AND 1.374 INCHES MAXIMUM FIRST SHOULDER |
| SHOULDER LENGTH | 2.510 INCHES NOMINAL FIRST SHOULDER |
| SHOULDER SHAPE | ROUND ALL SHOULDERS |
| SHOULDER LENGTH | 1.131 INCHES MINIMUM AND 1.141 INCHES MAXIMUM SECOND SHOULDER |
| SPECIAL FEATURES | INTERNALLY RELIEVED 0.812 IN. DIA BY 1.920 IN. DEEP; TWO KEYWAYS 0.156 IN. MIN TO 0.161 IN. MAX WIDE BY 0.545 IN. LG |
| WIDTH BETWEEN FLATS | 1.625 INCHES NOMINAL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | STF1224 FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE GRIP |
| SURFACE TREATMENT | CHROMIUM GRIP |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.320 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 16 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |