| FASTENER LENGTH | 1.785 INCHES MINIMUM AND 1.805 INCHES MAXIMUM |
| GRIP LENGTH | 1.245 INCHES MINIMUM AND 1.255 INCHES MAXIMUM |
| HEAD HEIGHT | 0.102 INCHES MINIMUM AND 0.112 INCHES MAXIMUM |
| HEAD STYLE | STRAIGHT PAN |
| HEAD MAJOR DIAMETER | 0.490 INCHES MINIMUM AND 0.520 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS-S-6049 NATIONAL SPEC SINGLE MATERIAL RESPONSE OR AMS6322 NATIONAL SPEC SINGLE MATERIAL RESPONSE OR AMS6349 NATIONAL SPEC SINGLE MATERIAL RESPONSE OR AMS6382JHAAMS6415 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| NOMINAL THREAD SIZE | 0.3125 INCHES |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | PIN,PROTRUDING TENSION HEAD |
| SHANK DIAMETER | 0.312 INCHES NOMINAL |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| SPECIAL FEATURES | HEAT TREAT: 95,000 PSI SHEAR MINIMUM, 160,000-180,000 PSI |
| WIDTH BETWEEN FLATS | 0.160 INCHES MINIMUM AND 0.180 INCHES MAXIMUM |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |