FASTENER LENGTH | 0.375 INCHES NOMINAL |
HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL |
HEAD DIAMETER | 0.262 INCHES MINIMUM AND 0.270 INCHES MAXIMUM |
HEAD HEIGHT | 0.159 INCHES MINIMUM AND 0.164 INCHES MAXIMUM |
HEAD STYLE | FLAT CHAMFER |
INTERNAL DRIVE STYLE | HEXAGON |
LOCKING FEATURE | PATCH THREADS |
MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A574, 1300 SERIES ASSN STD ALL MATERIAL RESPONSES FASTENER |
MATERIAL DOCUMENT AND CLASSIFICATION | MIL-F-18240 MIL SPEC SINGLE MATERIAL RESPONSE LOCKING FEATURE |
MATERIAL | PLASTIC POLYAMIDE LOCKING FEATURE |
MATERIAL | STEEL BEARING SURFACE OF HEAD |
MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |
MINIMUM YIELD STRENGTH | 155000 POUNDS PER SQUARE INCH |
NOMINAL THREAD DIAMETER | 0.164 INCHES |
WIDTH ACROSS FLATS | 0.141 INCHES NOMINAL |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633, TYPE 2, CLASS FE/ZM 5 ASSN STD ALL TREATMENT RESPONSES FASTENER |
SURFACE TREATMENT | ZINC AND CHROMATE FASTENER |
THREAD DIRECTION | RIGHT-HAND |
THREAD CLASS | 3A |
THREAD LENGTH | 0.313 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
THREAD QUANTITY PER INCH | 32 |
THREAD SERIES DESIGNATOR | UNC |