| MATERIAL | STEEL COMP 4130 OR |
| STEEL COMP 4140 OR |
| STEEL COMP 8740 OR |
| STEEL COMP E4340 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OR |
| MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OR |
| MIL-S-6049 MIL SPEC SINGLE MATERIAL RESPONSE OR |
| MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416, TYPE II, CLASS 2. FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| HEAD HEIGHT | 0.045 INCHES MINIMUM AND |
| 0.055 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.320 INCHES MINIMUM AND |
| 0.340 INCHES MAXIMUM |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| FASTENER LENGTH | 1.038 INCHES MINIMUM AND |
| 1.058 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.0791 INCHES MINIMUM AND |
| 0.0806 INCHES MAXIMUM |
| SHANK DIAMETER | 0.2329 INCHES MINIMUM AND |
| 0.2339 INCHES MAXIMUM |
| GRIP LENGTH | 0.683 INCHES MINIMUM AND |
| 0.693 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD SIZE | 0.190 INCHES |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| LUBRICATION | CETYL ALCOHOL |
| SPECIAL FEATURES | 0.0468 OVERSIZE SHANK, RESTRICTED USAGE, REPAIR ONLY |
| SPECIFICATION/STANDARD DATA | 81205-BACB30MA MANUFACTURERS STANDARD |