5305-00-012-0235 SCREW,CAP,HEXAGON HEAD Index 5310-00-012-0239 WASHER,LOCK

National Stock Number:
5310-00-012-0238

Federal Supply Class:
5310

National Item Identification Number:
000120238

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:
12023815879GENERAL EQUIPMENT CO
12023818876U S ARMY AVIATION AND MISSILE COMMAND
12023824617GENERAL MOTORS CORP
1202387X677GENERAL MOTORS LLC
80476202280AMERICAN HOIST AND DERRICK CO
80476249185TEREX AMERICAN CRANE CORP
FFB571TYPEA81348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC


Techincal Specification:
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
DEPARTURE FROM CITED DOCUMENTAS MODIFIED BY NUT HEIGHT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633-CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE0.500 INCHES
NONDEFINITIVE SPEC/STD DATAA TYPE
NUT HEIGHT0.313 INCHES NOMINAL
NUT STYLEHEXAGON
WIDTH ACROSS FLATS0.750 INCHES NOMINAL
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH13
THREAD SERIESUNC


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