| MATERIAL | STEEL COMP 4340 OR |
| STEEL COMP 8740 OR |
| STEEL COMP 4140 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS6415 ASSN STD 1ST MATERIAL RESPONSE OR |
| AMS6322 ASSN STD 2ND MATERIAL RESPONSE OR |
| AMS6349 ASSN STD 3RD MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND |
| CHROMATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS-QQ-P-416, TYPE II, CLASS 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |
| HEAD STYLE | COUNTERSUNK W/REVERSE CHAMFER |
| HEAD HEIGHT | 0.0658 INCHES MINIMUM AND |
| 0.0679 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.4844 INCHES MINIMUM AND |
| 0.4894 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND |
| 101.0 DEGREES MAXIMUM |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| FASTENER LENGTH | 1.170 INCHES NOMINAL |
| WIDTH BETWEEN FLATS | 0.1270 INCHES MINIMUM AND |
| 0.1295 INCHES MAXIMUM |
| SHANK DIAMETER | 0.3266 INCHES MINIMUM AND |
| 0.3276 INCHES MAXIMUM |
| GRIP LENGTH | 0.625 INCHES NOMINAL |
| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD SIZE | 0.3125 INCHES |
| THREAD CLASS | 3A |
| THREAD QUANTITY PER INCH | 24 |
| THREAD DIRECTION | RIGHT-HAND |
| LUBRICATION | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |