| 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 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| SHEAR STRENGTH | 95000 SINGLE POUNDS PER SQUARE INCH |
| HEAD STYLE | FLUSH COUNTERSUNK |
| HEAD MAJOR DIAMETER | 0.668 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| FASTENER LENGTH | 1.563 INCHES MINIMUM AND |
| 1.583 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.1895 INCHES MINIMUM AND |
| 0.1930 INCHES MAXIMUM |
| SHANK DIAMETER | 0.436 INCHES MINIMUM AND |
| 0.437 INCHES MAXIMUM |
| GRIP LENGTH | 0.943 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD SIZE | 0.438 INCHES |
| THREAD CLASS | 3A |
| THREAD QUANTITY PER INCH | 20 |
| THREAD DIRECTION | RIGHT-HAND |
| SPECIAL FEATURES | COLOR BRONZE,CETYL ALCOHOL LUBRICATION |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 73197 |
| DESIGN CONTROL REFERENCE | HL19PB-14-15 |