| FASTENER LENGTH | 3.986 INCHES MINIMUM AND 4.026 INCHES MAXIMUM |
| HEAD HEIGHT | 0.156 INCHES MINIMUM AND 0.171 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT,SHOULDER,HEX HEAD,CLOSE TOLERANCE,CRES-A286 |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5731 ASSN STD 1ST MATERIAL RESPONSE OR AMS5737 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| MINIMUM TENSILE STRENGTH | 7490 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.3125 INCHES |
| SHOULDER DIAMETER | 0.250 INCHES NOMINAL FIRST SHOULDER |
| SHOULDER LENGTH | 3.020 INCHES NOMINAL FIRST SHOULDER |
| SHOULDER SHAPE | ROUND OVERALL |
| WIDTH BETWEEN FLATS | 0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | NAS4006 NATIONAL SPEC 2ND TREATMENT RESPONSE FIRST SHOULDER |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | NAS4006 NATIONAL SPEC 2ND TREATMENT RESPONSE POINT |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | NAS4006 NATIONAL SPEC 2ND TREATMENT RESPONSE SIDES OF HEAD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | NAS4006 NATIONAL SPEC 2ND TREATMENT RESPONSE THREADS |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | NAS4006 NATIONAL SPEC 2ND TREATMENT RESPONSE TOP OF HEAD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35, TYPE II OR VIII FED SPEC 1ST TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ALUMINUM FIRST SHOULDER |
| SURFACE TREATMENT | ALUMINUM THREADS |
| SURFACE TREATMENT | ALUMINUM TOP OF HEAD |
| SURFACE TREATMENT | ALUMINUM POINT |
| SURFACE TREATMENT | ALUMINUM SIDES OF HEAD |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.498 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |