| MATERIAL | STEEL COMP 8740 OVERALL OR STEEL COMP E4340 OVERALL |
| PROPRIETARY CHARACTERISTICS | PACS |
| MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD SIZE | 0.312 INCHES |
| SHANK DIAMETER | 0.3683 INCHES NOMINAL |
| SHEAR STRENGTH | 108000 SINGLE POUNDS PER SQUARE INCH |
| SHANK STYLE | PIN-RIVET, TAPERED, THREADED |
| SPECIAL FEATURES | 32UNJC-3B THREAD SIZE,0.990 IN. LENGTH OF THREADS ALONG THE LONGITUDIAL AXIS FROM THE HEAD END,0.120 IN. SLOT LENGTH,0.060 IN. SLOT WIDTH LOCATED 0.930 IN. FROM TOP OF HEAD TO CENTER OF SLOT,0.3547 IN. SECOND SHANK DIAMETER |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES DESIGNATOR | UNJF |
| TIP DIAMETER | 0.3366 INCHES NOMINAL |
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| FASTENER LENGTH | 1.933 INCHES MINIMUM AND 1.958 INCHES MAXIMUM |
| GRIP LENGTH | 1.552 INCHES MINIMUM AND 1.567 INCHES MAXIMUM |
| HEAD STYLE | FLUSH COUNTERSUNK |
| LUBRICATION | CETYL ALCOHOL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE OVERALL OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OVERALL |