| HEAD DIAMETER | 0.399 INCHES NOMINAL |
| HEAD HEIGHT | 0.045 INCHES NOMINAL |
| HEAD STYLE | FLAT |
| LUBRICATION | DRY FILM LUBRICANT |
| MATERIAL DOCUMENT AND CLASSIFICATION | CRES A286 IAW AMS5731 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | IRON ALLOY 660 OVERALL |
| NOMINAL THREAD SIZE | 0.1900 INCHES |
| NUT LENGTH | 0.611 INCHES NOMINAL |
| NUT STYLE | BLIND RIVET W/HEX SHANK |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | STUD NUT A286 CRES STEEL,HEX RECESS |
| SHANK END TYPE | CLOSED |
| SPECIAL FEATURES | DRY FILM LUBRICANT IAW AS5272,TYPE I;ANTI-SEIZE COMPOUND PER MIL-A-907 APPLIED TO INTERNAL THREADS;DESIGNED FOR USE WITH A CA1671( ) RETAINING RING;DIMENSIONS APPLY BEFORE DRY FILM LUBRICANT;THREAD LENGTH IS 0.400 INCHES NOMINAL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS-QQ-P-35 NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |
| WIDTH ACROSS FLATS | 0.1875 INCHES NOMINAL |