| MATERIAL | STEEL COMP 4340 OR |
| STEEL COMP 8740 OR |
| STEEL COMP 4140 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS6415 NATIONAL STD/SPEC 1ST MATERIAL RESPONSE OR |
| AMS6372 NATIONAL STD/SPEC 2ND MATERIAL RESPONSE OR |
| AMS6382 NATIONAL STD/SPEC 3RD MATERIAL RESPONSE OR |
| AMS6325 NATIONAL STD/SPEC 2ND MATERIAL RESPONSE OR |
| AMS6327 NATIONAL STD/SPEC 2ND MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND |
| CHROMATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS-QQ-P-416, TYPE II, CLASS 2 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL |
| MINIMUM TENSILE STRENGTH | 2000 POUNDS PER SQUARE INCH |
| SHEAR STRENGTH | 7100 DOUBLE POUNDS PER SQUARE INCH |
| HEAD STYLE | FLUSH COUNTERSUNK |
| HEAD MAJOR DIAMETER | 0.3253 INCHES MINIMUM AND |
| 0.3303 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND |
| 101.0 DEGREES MAXIMUM |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| FASTENER LENGTH | 1.2625 INCHES NOMINAL |
| WIDTH BETWEEN FLATS | 0.0791 INCHES MINIMUM AND |
| 0.0806 INCHES MAXIMUM |
| SHANK DIAMETER | 0.2172 INCHES MINIMUM AND |
| 0.2182 INCHES MAXIMUM |
| GRIP LENGTH | 0.9375 INCHES NOMINAL |
| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD SIZE | 0.190 INCHES |
| THREAD CLASS | 3A |
| THREAD QUANTITY PER INCH | 32 |
| THREAD DIRECTION | RIGHT-HAND |
| LUBRICATION | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |