5310-00-021-8581 NUT,PLAIN,HEXAGON Index 5310-00-021-8584 NUT,PLAIN,HEXAGON

National Stock Number:
5310-00-021-8582

Federal Supply Class:
5310

National Item Identification Number:
000218582

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:
21858221450ARMY WEAPONS COMMAND ATTN AMSWE-REE-S
21858224617GENERAL MOTORS CORP
3156613841TIFFIN PARTS, L.L.C.
3268923382FWD SEAGRAVE HOLDINGS LP
420423382FWD SEAGRAVE HOLDINGS LP
2185827X677GENERAL MOTORS LLC
461958540SUPERIOR TRAILER MFG CO
FFB571TYPEA81348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
5310-021-8582A00AME.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE


Techincal Specification:
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE0.438 INCHES
NONDEFINITIVE SPEC/STD DATAA TYPE
NUT HEIGHT0.340 INCHES MINIMUM AND 0.378 INCHES MAXIMUM
NUT STYLEHEXAGON
WIDTH ACROSS FLATS0.7280 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNF
THREAD QUANTITY PER INCH20


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