| CONCENTRIC HOLE DIAMETER | 0.501 INCHES MINIMUM AND 0.503 INCHES MAXIMUM |
| FASTENER LENGTH | 5.040 INCHES NOMINAL |
| HEAD HEIGHT | 0.210 INCHES NOMINAL |
| HEAD STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 COND E1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| MINIMUM TENSILE STRENGTH | 195000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 1.000 INCHES |
| SHOULDER DIAMETER | 1.2483 INCHES MINIMUM AND 1.2503 INCHES MAXIMUM |
| SHOULDER LENGTH | 4.270 INCHES MINIMUM AND 4.280 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 1.801 INCHES MINIMUM AND 1.815 INCHES MAXIMUM |
| STYLE DESIGNATOR | CONCENTRIC HOLE UNTHREADED |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | DS30000 CODE N CL 3 FSCM 98897 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | NICKEL OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.510 INCHES MINIMUM AND 0.520 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 12 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |