FASTENER LENGTH | 0.511 INCHES MINIMUM AND 0.541 INCHES MAXIMUM |
GRIP DIAMETER | 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM |
GRIP LENGTH | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM |
HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
HEAD DIAMETER | 0.306 INCHES MINIMUM AND 0.313 INCHES MAXIMUM |
HEAD HEIGHT | 0.103 INCHES MINIMUM AND 0.118 INCHES MAXIMUM |
HEAD STYLE | FLAT CHAMFER |
HOLE DIAMETER | 0.034 INCHES MINIMUM AND 0.042 INCHES MAXIMUM |
INTERNAL DRIVE STYLE | OFFSET CRUCIFORM (TORQUE SET) |
MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 3RD MATERIAL RESPONSE OVERALL |
MATERIAL | STEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 8740 OVERALL |
MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
NOMINAL THREAD DIAMETER | 0.190 INCHES |
SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
SURFACE FINISH | 32.0 MICROINCHES GRIP |
SURFACE FINISH | 32.0 MICROINCHES THREADS |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
SURFACE TREATMENT | CADMIUM OR CHROMATE OVERALL |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.251 INCHES MINIMUM AND 0.301 INCHES MAXIMUM |
THREAD QUANTITY PER INCH | 32 |
THREAD SERIES DESIGNATOR | UNJF |