THREAD SERIES DESIGNATOR | UNJF |
NOMINAL THREAD DIAMETER | 0.375 INCHES |
THREAD QUANTITY PER INCH | 24 |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.429 INCHES MINIMUM AND |
| 0.479 INCHES MAXIMUM |
FASTENER LENGTH | 1.689 INCHES MINIMUM AND |
| 1.719 INCHES MAXIMUM |
MATERIAL | STEEL COMP 8740 OR |
| STEEL COMP E4340 OVERALL |
MATERIAL DOCUMENT AND CLASSIFICATION | AMS6322 ASSN STD 2ND MATERIAL RESPONSE OR |
| MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR |
| MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
SURFACE TREATMENT | CADMIUM AND |
| CHROMATE OVERALL |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY2 CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND |
| 40.0 ROCKWELL C MAXIMUM OVERALL |
MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
HEAD STYLE | DISHED HEXAGON |
HEAD HEIGHT | 0.188 INCHES MINIMUM AND |
| 0.203 INCHES MAXIMUM |
WIDTH BETWEEN FLATS | 0.554 INCHES MINIMUM AND |
| 0.564 INCHES MAXIMUM |
GRIP LENGTH | 1.240 INCHES MINIMUM AND |
| 1.260 INCHES MAXIMUM |
GRIP DIAMETER | 0.3731 INCHES MINIMUM AND |
| 0.3737 INCHES MAXIMUM |
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.496 INCHES MINIMUM AND |
| 1.546 INCHES MAXIMUM FIRST HOLE |
SHANK UNTHREADED HOLE DIAMETER | 0.106 INCHES MINIMUM AND |
| 0.116 INCHES MAXIMUM FIRST HOLE |
SPECIFICATION/STANDARD DATA | 80205-NAS6206 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |