THREAD SERIES DESIGNATOR | UNJF |
NOMINAL THREAD DIAMETER | 0.625 INCHES |
THREAD QUANTITY PER INCH | 18 |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.626 INCHES NOMINAL |
FASTENER LENGTH | 1.923 INCHES MINIMUM AND |
| 1.955 INCHES MAXIMUM |
MATERIAL | STEEL COMP E4340 OR |
| STEEL COMP 8740 OVERALL |
MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR |
| MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OR |
| AMS 6322 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
SURFACE TREATMENT | CADMIUM AND |
| CHROMATE 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 |
SINGLE SHEAR STRENGTH | 95000 POUNDS PER SQUARE INCH |
HEAD STYLE | DISHED HEXAGON |
HEAD HEIGHT | 0.312 INCHES MINIMUM AND |
| 0.327 INCHES MAXIMUM |
WIDTH BETWEEN FLATS | 0.926 INCHES MINIMUM AND |
| 0.940 INCHES MAXIMUM |
GRIP LENGTH | 1.302 INCHES MINIMUM AND |
| 1.322 INCHES MAXIMUM |
GRIP DIAMETER | 0.623 INCHES MINIMUM AND |
| 0.624 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 | 1.731 INCHES NOMINAL FIRST HOLE |
SHANK UNTHREADED HOLE DIAMETER | 0.141 INCHES MINIMUM AND |
| 0.151 INCHES MAXIMUM FIRST HOLE |
SPECIFICATION/STANDARD DATA | 80205-NAS6210 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |