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


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