| MATERIAL | STEEL COMP E4340 OR |
| STEEL COMP 4340 OR |
| STEEL COMP 4140 OR |
| STEEL COMP 8740 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR |
| MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR |
| MIL-S-5626 MIL SPEC 3RD MATERIAL RESPONSE OR |
| MIL-S-6049 MIL SPEC 4TH MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| SHEAR STRENGTH | 9500 SINGLE POUNDS PER SQUARE INCH |
| HEAD HEIGHT | 0.068 INCHES MINIMUM AND |
| 0.078 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.475 INCHES MINIMUM AND |
| 0.505 INCHES MAXIMUM |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| FASTENER LENGTH | 2.302 INCHES MINIMUM AND |
| 2.322 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.1270 INCHES MINIMUM AND |
| 0.1295 INCHES MAXIMUM |
| SHANK DIAMETER | 0.3110 INCHES MINIMUM AND |
| 0.3120 INCHES MAXIMUM |
| GRIP LENGTH | 1.817 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD SIZE | 0.312 INCHES |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| LUBRICATION | CETYL ALCOHOL |
| IDENTIFICATION CODE COLOR | BRONZE |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 73197 |
| DESIGN CONTROL REFERENCE | HL18PB-10-29 |