| FASTENER LENGTH | 0.875 INCHES MINIMUM AND 0.905 INCHES MAXIMUM |
| HEAD HEIGHT | 0.172 INCHES NOMINAL |
| HEAD STYLE | DISHED HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE FASTENER |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE STAND-OFF |
| MATERIAL | IRON ALLOY 660 BEARING SURFACE OF HEAD |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| SHOULDER DIAMETER | 0.308 INCHES MINIMUM AND 0.318 INCHES MAXIMUM SECOND SHOULDER |
| SHOULDER DIAMETER | 0.374 INCHES NOMINAL FIRST SHOULDER |
| SHOULDER LENGTH | 0.147 INCHES NOMINAL SECOND SHOULDER |
| SHOULDER LENGTH | 0.250 INCHES NOMINAL FIRST SHOULDER |
| SHOULDER SHAPE | ROUND ALL SHOULDERS |
| WIDTH BETWEEN FLATS | 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 TY 1 CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE STAND-OFF |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-13924 TY 2 MIL SPEC SINGLE TREATMENT RESPONSE FASTENER |
| SURFACE TREATMENT | ANODIZE STAND-OFF |
| SURFACE TREATMENT | OXIDE FASTENER |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.438 INCHES MINIMUM AND 0.468 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| THREAD QUANTITY PER INCH | 28 |