| DISTANCE FROM SPHERICAL HEAD CENTERLINE TO HEAD END | 0.225 INCHES NOMINAL |
| BODY DIAMETER | 0.496 INCHES MINIMUM AND 0.497 INCHES MAXIMUM |
| BODY LENGTH | 3.089 INCHES MINIMUM AND 3.161 INCHES MAXIMUM |
| HARDNESS RATING | 50.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM |
| HEAD DIAMETER | 0.483 INCHES MINIMUM AND 0.488 INCHES MAXIMUM |
| OVERALL LENGTH | 3.995 INCHES MINIMUM AND 4.005 INCHES MAXIMUM |
| NECK DIAMETER | 0.230 INCHES MINIMUM AND 0.270 INCHES MAXIMUM |
| NOMINAL THREAD SIZE | 0.500 INCHES STUD THREAD |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| SPECIAL FEATURES | TWO UNDERCUT AREAS IN SHANK |
| STYLE DESIGNATOR | BALL |
| SURFACE FINISH | 32.0 MICROINCHES HEAD |
| SURFACE FINISH | 32.0 MICROINCHES UNDERCUTS |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | DOD-P-16232 TY Z MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PHOSPHATE ZINC OVERALL |
| THREAD SERIES DESIGNATOR | UNF STUD THREAD |