| MATERIAL | STEEL COMP 8740 OR |
| STEEL COMP E4340 OR |
| STEEL COMP 4340 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE OR |
| MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR |
| MIL-S-5000 MIL SPEC 3RD 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 |
| SHEAR STRENGTH | 108000 SINGLE POUNDS PER SQUARE INCH |
| HEAD STYLE | FLUSH COUNTERSUNK |
| HEAD MAJOR DIAMETER | 0.399 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| FASTENER LENGTH | 0.973 INCHES MINIMUM AND |
| 0.993 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.0947 INCHES MINIMUM AND |
| 0.0967 INCHES MAXIMUM |
| SHANK DIAMETER | 0.2485 INCHES MINIMUM AND |
| 0.2495 INCHES MAXIMUM |
| GRIP LENGTH | 0.563 INCHES MINIMUM AND |
| 0.625 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| THREAD CLASS | 3A |
| THREAD QUANTITY PER INCH | 28 |
| THREAD DIRECTION | RIGHT-HAND |
| SPECIFICATION/STANDARD DATA | 80205-NAS4452 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |