5310-00-208-5257 NUT,PLAIN,HEXAGON Index 5310-00-208-5263 NUT,PLAIN,HEXAGON

National Stock Number:
5310-00-208-5258

Federal Supply Class:
5310

National Item Identification Number:
002085258

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:
19078421450ARMY WEAPONS COMMAND ATTN AMSWE-REE-S
19078424617GENERAL MOTORS CORP
5310002085258A00AME.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE
190784D5589FEINMECHANISCHE WERKE MAINZ GMBH
190784D9893LIEBHERR-AEROSPACE LINDENBERG GMBH
5310002085258SCY13E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE


Techincal Specification:
BEARING SURFACE TYPECHAMFERED
NUT HEIGHT0.250 INCHES NOMINAL
NUT STYLEHEXAGON
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE0.500 INCHES
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH20
WIDTH ACROSS FLATS0.688 INCHES NOMINAL
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND


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