THREAD SERIES DESIGNATOR | UNJF |
NOMINAL THREAD DIAMETER | 0.750 INCHES |
THREAD QUANTITY PER INCH | 16 |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.572 INCHES NOMINAL |
FASTENER LENGTH | 1.932 INCHES MINIMUM AND |
| 1.962 INCHES MAXIMUM |
MATERIAL | STEEL COMP 4140 OR |
| STEEL COMP 4340 OR |
| STEEL COMP 8735 OR |
| STEEL COMP 8740 OR |
| STEEL COMP 6150 OVERALL |
MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR |
| MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR |
| MIL-S-6098 MIL SPEC 3RD MATERIAL RESPONSE OR |
| MIL-S-6049 MIL SPEC 4TH MATERIAL RESPONSE OR |
| MIL-S-8503 MIL SPEC 5TH MATERIAL RESPONSE OVERALL |
SURFACE TREATMENT | CADMIUM OVERALL |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416, TYPE 1, CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
HEAD STYLE | DISHED HEXAGON |
HEAD HEIGHT | 0.375 INCHES MINIMUM AND |
| 0.390 INCHES MAXIMUM |
WIDTH BETWEEN FLATS | 1.052 INCHES MINIMUM AND |
| 1.064 INCHES MAXIMUM |
GRIP LENGTH | 1.365 INCHES MINIMUM AND |
| 1.385 INCHES MAXIMUM |
GRIP DIAMETER | 0.7480 INCHES MINIMUM AND |
| 0.7490 INCHES MAXIMUM |
SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| 32.0 MICROINCHES GRIP |
| 32.0 MICROINCHES THREADS |
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.809 INCHES MINIMUM AND |
| 1.829 INCHES MAXIMUM THREADS |
SHANK UNTHREADED HOLE DIAMETER | 0.141 INCHES MINIMUM AND |
| 0.151 INCHES MAXIMUM THREADS |
SPECIFICATION/STANDARD DATA | 80205-NAS1112 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |