| MATERIAL | STEEL OVERALL |
| 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 |
| HEAD STYLE | STRAIGHT PAN |
| HEAD HEIGHT | 0.130 INCHES MINIMUM AND |
| 0.140 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.550 INCHES MINIMUM AND |
| 0.585 INCHES MAXIMUM |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| FASTENER LENGTH | 1.910 INCHES MINIMUM AND |
| 1.930 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.197 INCHES MINIMUM AND |
| 0.217 INCHES MAXIMUM |
| SHANK DIAMETER | 0.375 INCHES NOMINAL |
| GRIP LENGTH | 1.370 INCHES MINIMUM AND |
| 1.380 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD SIZE | 0.375 INCHES |
| THREAD CLASS | 3A |
| THREAD QUANTITY PER INCH | 24 |
| THREAD DIRECTION | RIGHT-HAND |
| SPECIAL FEATURES | HEAT TREAT: 95,000 PSI SHEAR MINIMUM, 160,000-180,000 PSI |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | PIN,PROTRUDING TENSION HEAD |