5325-01-445-5862 STUD ASSEMBLY,TURNLOCK FASTENER Index 5310-01-445-5864 WASHER,FLAT

National Stock Number:
5305-01-445-5863

Federal Supply Class:
5305

National Item Identification Number:
014455863

Description:
SCREW,CAP,SOCKET HEAD

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.


Manufacturer Information:
21106726696169ELECTRIC BOAT CORPORATION
21106726853711NAVAL SEA SYSTEMS COMMAND
581-6726890-5053711NAVAL SEA SYSTEMS COMMAND
596-7551510-5953711NAVAL SEA SYSTEMS COMMAND
754-6407134 ITEM 553711NAVAL SEA SYSTEMS COMMAND
B831-9242-5996169ELECTRIC BOAT CORPORATION


Techincal Specification:
FASTENER LENGTH1.750 INCHES NOMINAL
HARDNESS RATING24.0 ROCKWELL C MINIMUM FASTENER
HEAD DIAMETER0.550 INCHES MINIMUM AND 0.562 INCHES MAXIMUM
HEAD HEIGHT0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
LOCKING FEATUREPATCH OR PELLET OR STRIP THREADS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE FASTENER
MATERIALNICKEL ALLOY K-500 FASTENER
MATERIALPLASTIC POLYAMIDE LOCKING FEATURE
PROPRIETARY CHARACTERISTICSPACS
MINIMUM TENSILE STRENGTH130000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH90000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.375 INCHES
WIDTH ACROSS FLATS0.312 INCHES MINIMUM
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.250 INCHES NOMINAL
THREAD QUANTITY PER INCH16
THREAD SERIES DESIGNATORUNRC


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