DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.124 INCHES NOMINAL FIRST HOLE |
FASTENER LENGTH | 1.281 INCHES NOMINAL |
FEATURES PROVIDED | FINISHED HEAD |
GRIP LENGTH | 0.812 INCHES NOMINAL |
HEAD HEIGHT | 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM |
HEAD STYLE | HEXAGON |
MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-267 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-268 FED SPEC 1ST MATERIAL RESPONSE OR MIL-W-7986 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-W-7986 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-W-7986 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-W-7986 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-W-7986 MIL SPEC 5TH MATERIAL RESPONSE OVERALL |
MATERIAL | ALUMINUM ALLOY 2024 OR ALUMINUM ALLOY 1100 OR ALUMINUM ALLOY 2017 OR ALUMINUM ALLOY 2117 OR ALUMINUM ALLOY 5056 OVERALL |
MINIMUM TENSILE STRENGTH | 62000 POUNDS PER SQUARE INCH |
NOMINAL THREAD DIAMETER | 0.250 INCHES |
SHANK UNTHREADED HOLE DIAMETER | 0.076 INCHES NOMINAL FIRST HOLE |
WIDTH BETWEEN FLATS | 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541 MIL SPEC 1ST TREATMENT RESPONSE AND MIL-A-8625 MIL SPEC 2ND TREATMENT RESPONSE OVERALL |
SURFACE TREATMENT | OXIDE FILM AND ANODIZE OVERALL |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.469 INCHES MINIMUM |
THREAD QUANTITY PER INCH | 28 |
THREAD SERIES DESIGNATOR | UNF |