DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.217 INCHES NOMINAL FIRST HOLE |
DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY QUALITY ASSURED MATERIAL FOR THE SUBMARINE ANTENNA PROGRAM |
FASTENER LENGTH | 1.500 INCHES NOMINAL |
HEAD HEIGHT | 0.187 INCHES NOMINAL |
HEAD STYLE | HEXAGON |
MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
MATERIAL | NICKEL ALLOY OVERALL |
MINIMUM YIELD STRENGTH | 30000 POUNDS PER SQUARE INCH |
NOMINAL THREAD DIAMETER | 0.312 INCHES |
NONDEFINITIVE SPEC/STD DATA | A CLASS |
SHOULDER SHAPE | ROUND FIRST SHOULDER |
SHANK UNTHREADED HOLE DIAMETER | 0.120 INCHES NOMINAL FIRST HOLE |
SHOULDER DIAMETER | 0.437 INCHES NOMINAL FIRST SHOULDER |
SHOULDER LENGTH | 0.083 INCHES NOMINAL FIRST SHOULDER |
WIDTH BETWEEN FLATS | 0.687 INCHES NOMINAL |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.750 INCHES MINIMUM |
THREAD SERIES DESIGNATOR | UNF |
THREAD QUANTITY PER INCH | 24 |