| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 28 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.330 INCHES MINIMUM AND |
| 0.360 INCHES MAXIMUM |
| FASTENER LENGTH | 1.360 INCHES MINIMUM AND |
| 1.390 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 4130 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6370 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND |
| 40.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD STYLE | DEE |
| HEAD DIAMETER | 0.360 INCHES NOMINAL |
| HEAD HEIGHT | 0.060 INCHES NOMINAL |
| DISTANCE FROM CENTERLINE TO FLAT | 0.130 INCHES NOMINAL |
| NECK LENGTH | 0.940 INCHES NOMINAL |
| NECK WIDTH | 0.350 INCHES NOMINAL |
| SPECIAL FEATURES | NHA 4G29023-103A;USED ON MA001A: HOLE IN SHANK 0.075/0.080-0.116 INCHESFROM THREADED END |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT-WHEEL LOCK, ANTI-SKID,MLG |