FASTENER LENGTH | 0.500 INCHES NOMINAL |
HEAD DIAMETER | 0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM |
HEAD HEIGHT | 0.072 INCHES MINIMUM AND 0.082 INCHES MAXIMUM |
HEAD STYLE | PAN NO. 2 |
INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-630 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-631 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-634 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-633 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-633 FED SPEC 3RD MATERIAL RESPONSE OR QQ-S-633 FED SPEC 4TH MATERIAL RESPONSE OR QQ-S-633 FED SPEC 5TH MATERIAL RESPONSE OR QQ-S-633 FED SPEC 6TH MATERIAL RESPONSE OR QQ-S-633 FED SPEC 7TH MATERIAL RESPONSE OR QQ-S-633 FED SPEC 8TH MATERIAL RESPONSE OR QQ-S-633 FED SPEC 9TH MATERIAL RESPONSE OR QQ-S-633 FED SPEC 10TH MATERIAL RESPONSE OR QQ-S-633 FED SPEC 11TH MATERIAL RESPONSE OR QQ-S-633 FED SPEC 12TH MATERIAL RESPONSE OR QQ-S-633 FED SPEC 13TH MATERIAL RESPONSE OR QQ-S-633 FED SPEC 14TH MATERIAL RESPONSE OR QQ-S-636,1/2 HARD FED SPEC 15TH MATERIAL RESPONSE OR MIL-S-7952 MIL SPEC 16TH MATERIAL RESPONSE OR MIL-S-7952 MIL SPEC 17TH MATERIAL RESPONSE OVERALL |
NOMINAL THREAD DIAMETER | 0.138 INCHES |
PRIMARY WASHER MATERIAL THICKNESS | 0.031 INCHES MINIMUM AND 0.037 INCHES MAXIMUM |
PRIMARY WASHER OUTSIDE DIAMETER | 0.253 INCHES MAXIMUM |
PRIMARY WASHER STYLE | SPLIT HELICAL RING |
SECONDARY WASHER MATERIAL THICKNESS | 0.013 INCHES MINIMUM AND 0.019 INCHES MAXIMUM |
SECONDARY WASHER OUTSIDE DIAMETER | 0.253 INCHES MINIMUM AND 0.263 INCHES MAXIMUM |
SECONDARY WASHER RELATIONSHIP TO PRIMARY WASHER | NOT IDENTICAL |
SECONDARY WASHER STYLE | FLAT |
WASHER QUANTITY | 2 |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL |
SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
THREAD DIRECTION | RIGHT-HAND |
THREAD CLASS | 2A |
THREAD LENGTH | 0.406 INCHES MINIMUM |
THREAD SERIES DESIGNATOR | UNC |
THREAD QUANTITY PER INCH | 32 |