Part Number: 400 5489320 REV-ITEM 17

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CONDITION:
NS
NAVAL SEA SYSTEMS COMMAND53711
NAVAL SEA SYSTEMS COMMAND53711
NAVAL SHIP ENGINEERING CENTER PHILADELPHIA DIVISION SUBMARINE ANTENNA QUALITY ASSURANCE25685
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.875 INCHES NOMINAL
FASTENER LENGTH1.000 INCHES NOMINAL
HEAD STYLEFLAT COUNTERSUNK
HEAD DIAMETER0.670 INCHES MINIMUM AND 0.762 INCHES MAXIMUM
LOCKING FEATUREPELLET THREADS OR STRIP THREADS OR PATCH THREADS
NOMINAL THREAD DIAMETER0.375 INCHES
FEATURES PROVIDEDFINISHED HEAD
THREAD QUANTITY PER INCH16
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
MATERIALPLASTIC POLYAMIDE LOCKING FEATURENICKEL ALLOY 400 FASTENER
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 CL A FED SPEC SINGLE MATERIAL RESPONSE FASTENER
SURFACE TREATMENTLUBRICANT THREADS
THREAD SERIES DESIGNATORUNC
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.875 INCHES NOMINAL
FASTENER LENGTH1.000 INCHES NOMINAL
HEAD STYLEFLAT COUNTERSUNK
HEAD DIAMETER0.670 INCHES MINIMUM AND 0.762 INCHES MAXIMUM
LOCKING FEATUREPELLET THREADS OR STRIP THREADS OR PATCH THREADS
NOMINAL THREAD DIAMETER0.375 INCHES
FEATURES PROVIDEDFINISHED HEAD
THREAD QUANTITY PER INCH16
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
MATERIALPLASTIC POLYAMIDE LOCKING FEATURENICKEL ALLOY 400 FASTENER
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 CL A FED SPEC SINGLE MATERIAL RESPONSE FASTENER
SURFACE TREATMENTLUBRICANT THREADS
THREAD SERIES DESIGNATORUNC
An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of .19 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of . 15 inch ( . 38 mm) or less, BOLT, SHEAR. See also SCREW, CAP, HEXAGON HEAD and SCREW, MACHINE.