| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 2.537 INCHES MINIMUM AND 2.542 INCHES MAXIMUM FIRST HOLE |
| CONCENTRIC HOLE DEPTH | 1.909 INCHES MINIMUM AND 1.914 INCHES MAXIMUM |
| CONCENTRIC HOLE DIAMETER | 0.249 INCHES MINIMUM AND 0.255 INCHES MAXIMUM |
| HARDNESS RATING | 46.0 ROCKWELL C MINIMUM AND 49.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD HEIGHT | 0.140 INCHES MINIMUM AND 0.150 INCHES MAXIMUM |
| HEAD DIAMETER | 1.523 INCHES NOMINAL |
| HEAD STYLE | ROUND W/WRENCH FLATS |
| MATERIAL DOCUMENT AND CLASSIFICATION | G-1010,FSC-26512 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| NOMINAL THREAD DIAMETER | 0.375 INCHES |
| SHOULDER LENGTH | 2.124 INCHES MINIMUM AND 2.129 INCHES MAXIMUM |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| SHANK UNTHREADED HOLE DIAMETER | 0.106 INCHES MINIMUM AND 0.116 INCHES MAXIMUM FIRST HOLE |
| SHOULDER DIAMETER | 0.9925 INCHES MINIMUM AND 0.9936 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 1.438 INCHES NOMINAL |
| STYLE DESIGNATOR | CONCENTRIC HOLE UNTHREADED |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-8837 TY 2 CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.610 INCHES MINIMUM |
| THREAD SERIES DESIGNATOR | UNJF |
| THREAD QUANTITY PER INCH | 24 |