THREAD SERIES DESIGNATOR | UNJF |
NOMINAL THREAD DIAMETER | 0.375 INCHES |
THREAD QUANTITY PER INCH | 24 |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.438 INCHES NOMINAL |
FASTENER LENGTH | 2.328 INCHES MINIMUM AND |
| 2.348 INCHES MAXIMUM |
MATERIAL | STEEL COMP H11 OVERALL |
MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6485 ASSN STD SINGLE MATERIAL RESPONSE OR |
| AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
SURFACE TREATMENT | CADMIUM OR |
| NICKEL AND |
| CADMIUM HEAD |
| CADMIUM OR |
| CADMIUM THREADS |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | NAS 672 ASSN STD 1ST TREATMENT RESPONSE OR |
| AMS 2416 ASSN STD 2ND TREATMENT RESPONSE HEAD |
| NAS 672 ASSN STD 1ST TREATMENT RESPONSE OR |
| AMS 2416 ASSN STD 2ND TREATMENT RESPONSE THREADS |
HARDNESS RATING | 46.0 ROCKWELL C MINIMUM AND |
| 50.0 ROCKWELL C MAXIMUM OVERALL |
MINIMUM TENSILE STRENGTH | 220000 POUNDS PER SQUARE INCH |
HEAD STYLE | HEXAGON |
HEAD HEIGHT | 0.203 INCHES MINIMUM AND |
| 0.235 INCHES MAXIMUM |
WIDTH BETWEEN FLATS | 0.553 INCHES MINIMUM AND |
| 0.563 INCHES MAXIMUM |
SHOULDER SHAPE | ROUND FIRST SHOULDER |
SHOULDER DIAMETER | 0.436 INCHES MINIMUM AND |
| 0.437 INCHES MAXIMUM FIRST SHOULDER |
SHOULDER LENGTH | 1.890 INCHES MINIMUM AND |
| 1.910 INCHES MAXIMUM FIRST SHOULDER |
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 2.135 INCHES MINIMUM AND |
| 2.155 INCHES MAXIMUM FIRST HOLE |
SHANK UNTHREADED HOLE DIAMETER | 0.106 INCHES MINIMUM AND |
| 0.116 INCHES MAXIMUM FIRST HOLE |
SPECIAL FEATURES | DRY FILM LUBE PER MIL-L-46010 ON GRIP ONLY |