FASTENER LENGTH | 0.720 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
FEATURES PROVIDED | FINISHED HEAD |
HARDNESS RATING | 80.0 ROCKWELL B MINIMUM FASTENER |
HEAD HEIGHT | 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM |
HEAD STYLE | HEXAGON |
LOCKING FEATURE | PATCH OR PELLET OR STRIP THREADS |
MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281,CLASS A FED SPEC SINGLE MATERIAL RESPONSE FASTENER |
MATERIAL | NICKEL ALLOY 400 FASTENER |
MATERIAL | PLASTIC POLYAMIDE (NYLON) LOCKING FEATURE |
MINIMUM YIELD STRENGTH | 40000 POUNDS PER SQUARE INCH |
MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH |
NOMINAL THREAD DIAMETER | 0.250 INCHES |
WIDTH BETWEEN FLATS | 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
THREAD DIRECTION | RIGHT-HAND |
THREAD CLASS | 2A |
THREAD LENGTH | 0.620 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
THREAD SERIES DESIGNATOR | UNC |
THREAD QUANTITY PER INCH | 20 |