DEPARTURE FROM CITED DESIGNATOR | AS MOD BY THD CLASS AND LENGTH |
FASTENER LENGTH | 1.113 INCHES MINIMUM AND 1.150 INCHES MAXIMUM |
HEAD DIAMETER | 0.429 INCHES MINIMUM AND 0.437 INCHES MAXIMUM |
HEAD HEIGHT | 0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
HEAD STYLE | FLAT CHAMFER |
INTERNAL DRIVE STYLE | HEXAGON |
MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-286,CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
MATERIAL | NICKEL ALLOY K-500 OVERALL |
MINIMUM YIELD STRENGTH | 90000 POUNDS PER SQUARE INCH |
MINIMUM TENSILE STRENGTH | 130000 POUNDS PER SQUARE INCH |
NOMINAL THREAD DIAMETER | 0.312 INCHES |
NONDEFINITIVE SPEC/STD DATA | 1 TYPE |
WIDTH ACROSS FLATS | 0.218 INCHES NOMINAL |
THREAD CLASS | 2A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 1.002 INCHES MINIMUM AND 1.150 INCHES MAXIMUM |
THREAD SERIES DESIGNATOR | UNC |
THREAD QUANTITY PER INCH | 18 |