5305-01-493-5419 SCREW,CAP,HEXAGON HEAD Index 4210-01-493-5421 PANT,FIREMANS,BDU

National Stock Number:
5310-01-493-5420

Federal Supply Class:
5310

National Item Identification Number:
014935420

Description:
NUT,PLAIN,HEXAGON

Detail:
A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see LOCKNUT, ELECTRICAL CONDUIT. See also LOCKNUT, TUBE FITTING. For items having a thickness (or height) exceeding two times the width across the flats, use POST, ELECTRICAL-MECHANICAL EQUIPMENT. (When height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)


Manufacturer Information:
9454100 ITEM 16498750SAN ANTONIO AIR LOGISTICS CENTER
9454100 ITEM 16498752WARNER ROBINS AIR LOGISTICS CENTER


Techincal Specification:
BEARING SURFACE TYPEWASHER FACED OR CHAMFERED
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE0.250 INCHES
NUT HEIGHT0.178 INCHES MINIMUM AND 0.193 INCHES MAXIMUM
NUT STYLEHEXAGON
SPECIAL FEATURESHARDWARE MAY BE PURCHASED COMMERCIALLY FROM CAGE CODE 94833(KECO INDUSTRIES, INC)
WIDTH ACROSS FLATS0.423 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
SURFACE TREATMENTZINC OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2B
THREAD SERIESUNC
THREAD QUANTITY PER INCH20


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