| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| FASTENER LENGTH | 0.911 INCHES MINIMUM AND 0.951 INCHES MAXIMUM |
| GRIP LENGTH | 0.439 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.456 INCHES MINIMUM AND 0.492 INCHES MAXIMUM |
| HEAD STYLE | FLUSH COUNTERSUNK |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6485 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP H11 OVERALL |
| NOMINAL THREAD SIZE | 0.312 INCHES |
| NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND 1 CLASS AND H COMPOSITION |
| SHANK DIAMETER | 0.327 INCHES MINIMUM AND 0.328 INCHES MAXIMUM |
| SHEAR STRENGTH | 156000 SINGLE POUNDS PER SQUARE INCH |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| SPECIAL FEATURES | OVERSIZE RESTRICTED TO REPAIR WORK,T.O. 1F-16-1299 |
| SPECIFICATION/STANDARD DATA | 80205-NAS4452 MANUFACTURERS STANDARD AND 80205-NAS4444 MANUFACTURERS SPECIFICATION |
| WIDTH BETWEEN FLATS | 0.127 INCHES MINIMUM AND 0.130 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2416 ASSN STD ALL TREATMENT RESPONSES OVERALL |
| SURFACE TREATMENT | CADMIUM AND NICKEL OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES DESIGNATOR | UNJF |