5310-00-975-7142 NUT,PLAIN,HEXAGON Index 5305-00-975-7144 SCREW

National Stock Number:
5305-00-975-7143

Federal Supply Class:
5305

National Item Identification Number:
009757143

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:
10063581873WOODWARD HRT INC


Techincal Specification:
FASTENER LENGTH0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
HARDNESS RATING45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLEHEADLESS (SETSCREW)
INTERNAL DRIVE STYLEHEXAGON
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
POINT STYLEFLAT
SPECIAL FEATURESSLOT ON PERIMETER PARALLEL TO LONGITUDINAL AXIS 0.0615 IN. MIN 0.0635 IN. MAX W BY 0.040 IN. NOM DEEP
WIDTH ACROSS FLATS0.125 INCHES NOMINAL
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
THREAD QUANTITY PER INCH28
THREAD SERIES DESIGNATORUNF


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