FASTENER LENGTH | 4.390 INCHES MINIMUM AND 4.437 INCHES MAXIMUM |
FEATURES PROVIDED | FINISHED HEAD |
GRIP LENGTH | 3.922 INCHES MINIMUM AND 3.954 INCHES MAXIMUM |
HEAD HEIGHT | 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM |
HEAD STYLE | HEXAGON |
MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-200 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-225 FED SPEC 2ND MATERIAL RESPONSE OR QQ-A-430 FED SPEC 1ST MATERIAL RESPONSE OVERALL |
MATERIAL | ALUMINUM ALLOY OVERALL |
MINIMUM TENSILE STRENGTH | 62000 POUNDS PER SQUARE INCH |
NOMINAL THREAD DIAMETER | 0.250 INCHES |
WIDTH BETWEEN FLATS | 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 MIL SPEC 1ST TREATMENT RESPONSE OR MIL-C-5541 MIL SPEC 2ND TREATMENT RESPONSE OVERALL |
SURFACE TREATMENT | ANODIZE OR OXIDE OVERALL |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.436 INCHES MINIMUM AND 0.515 INCHES MAXIMUM |
THREAD QUANTITY PER INCH | 28 |
THREAD SERIES DESIGNATOR | UNF |