FASTENER LENGTH | 0.830 INCHES MINIMUM AND 0.850 INCHES MAXIMUM |
FEATURES PROVIDED | FINISHED HEAD |
GRIP LENGTH | 0.260 INCHES MINIMUM AND 0.340 INCHES MAXIMUM |
HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
HEAD HEIGHT | 0.140 INCHES MINIMUM AND 0.160 INCHES MAXIMUM |
HEAD STYLE | HEXAGON |
MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6322 ASSN STD 1ST MATERIAL RESPONSE OR AMS 6382 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
MATERIAL | STEEL COMP 8740 OR STEEL COMP 4140 OVERALL |
NOMINAL THREAD DIAMETER | 0.375 INCHES |
SPECIAL FEATURES | WRENCHING FLATS SHALL NOT HAVE SURFACE TREATMENT |
WIDTH BETWEEN FLATS | 0.554 INCHES MINIMUM AND 0.563 INCHES MAXIMUM |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2401 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
SURFACE TREATMENT | CADMIUM OVERALL |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.490 INCHES MINIMUM AND 0.590 INCHES MAXIMUM |
THREAD QUANTITY PER INCH | 24 |
THREAD SERIES DESIGNATOR | UNF |