5305-01-263-3811 SETSCREW Index 5305-01-263-3813 SCREW,CAP,HEXAGON HEAD

National Stock Number:
5305-01-263-3812

Federal Supply Class:
5305

National Item Identification Number:
012633812

Description:
SETSCREW

Detail:
An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.


Manufacturer Information:
5944371-253711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
FASTENER LENGTH1.250 INCHES NOMINAL
HEAD STYLEHEADLESS (SETSCREW)
INTERNAL DRIVE STYLEHEXAGON
LOCKING FEATUREPELLET THREADS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 CLASS B FED SPEC SINGLE MATERIAL RESPONSE FASTENER
MATERIALNICKEL ALLOY R-405 FASTENER
MATERIALPLASTIC POLYHEXAMETHYLENE ADIPAMIDE LOCKING FEATURE
NOMINAL THREAD DIAMETER0.375 INCHES
POINT STYLEFULL DOG
THREAD QUANTITY PER INCH16
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
WIDTH ACROSS FLATS0.187 INCHES NOMINAL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND


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