5310-00-971-7988 NUT,WHEEL Index 5310-00-971-7990 NUT,PLAIN,HEXAGON

National Stock Number:
5310-00-971-7989

Federal Supply Class:
5310

National Item Identification Number:
009717989

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:
10082666A486GNIMIKKEISTOKESKUS NCB FINLAND
114492D9182ZF INDUSTRIEANTRIEBE WITTEN GMBH
13218E0320-5197403CECOM LR CENTER
251293H0001DAF TRUCKS N.V.
4023502111919AISRAEL MILITARY INDUSTRIES LTD.
402350211S5686ISRAEL MILITARY INDUSTRIES LTD.
49047410129PARKER-HANNIFIN CORPORATION
5310009717989SCY13E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE
5310PL09415529009HINSPEKTORAT WSPARCIA SIL ZBROJNYCH
85366219203PICATINNY ARSENAL
853662-0032345DEFENSE REDUCTION AGENCY
8D0412603CLARK EQUIPMENT CO
8D4F1948CLARK EQUIPMENT FRANCE SA COMPONENTS MARKETING DIVISION
MS35691-42296906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MS35691-596906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
S251D9182ZF INDUSTRIEANTRIEBE WITTEN GMBH
TLF-5618-S-JAM82458P.G.& E. CORP.


Techincal Specification:
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE0.250 INCHES
NUT HEIGHT0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM
NUT STYLEHEXAGON
WIDTH ACROSS FLATS0.428 INCHES MINIMUM AND 0.437 INCHES MAXIMUM
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH28
THREAD SERIESUNF


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