| COUNTERSINK ANGLE | 90.0 DEGREES NOMINAL |
| FASTENER LENGTH | 1.911 INCHES MINIMUM AND 1.951 INCHES MAXIMUM |
| GRIP LENGTH | 1.439 INCHES MINIMUM AND 1.500 INCHES MAXIMUM |
| HEAD HEIGHT | 0.070 INCHES MINIMUM AND 0.078 INCHES MAXIMUM |
| HEAD STYLE | COUNTERSUNK W/REVERSE CHAMFER |
| HEAD MAJOR DIAMETER | 0.483 INCHES MINIMUM AND 0.503 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | NAS4444 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 8740 OR STEEL COMP 4340 OVERALL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | PIN,CRIMP,PROTRUDING SHEAR HEAD |
| NOMINAL THREAD SIZE | 0.3125 INCHES |
| SHANK DIAMETER | 0.3266 INCHES MINIMUM AND 0.3276 INCHES MAXIMUM |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| SHEAR STRENGTH | 108000 SINGLE POUNDS PER SQUARE INCH |
| SPECIFICATION/STANDARD DATA | 80205-NAS4450 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS-QQ-P-416,TYPE II,CLASS 2 NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| WIDTH BETWEEN FLATS | 0.1270 INCHES MINIMUM AND 0.1295 INCHES MAXIMUM |