5305-01-452-8046 SCREW,MACHINE Index 5320-01-452-8048 PIN-RIVET

National Stock Number:
5305-01-452-8047

Federal Supply Class:
5305

National Item Identification Number:
014528047

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:
561248053711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.320 INCHES NOMINAL
FASTENER LENGTH0.500 INCHES NOMINAL
MATERIALNICKEL ALLOY 400 OR
NICKEL ALLOY R-405 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC ALL MATERIAL RESPONSES OVERALL
HEAD STYLEHEADLESS (SETSCREW)
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.125 INCHES NOMINAL
POINT STYLEDOG
POINT LENGTH0.180 INCHES NOMINAL
POINT DIAMETER0.100 INCHES MINIMUM AND
0.110 INCHES MAXIMUM


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