4820-01-378-7760 DISK,VALVE Index 5975-01-378-7762 FOOT,ELECTRICAL EQUIPMENT

National Stock Number:
5310-01-378-7761

Federal Supply Class:
5310

National Item Identification Number:
013787761

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:
12387305-301417GENERAL DYNAMICS LAND SYSTEMS INC.
12387305-319207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
LS1091329-301417GENERAL DYNAMICS LAND SYSTEMS INC.
FF-N-83681348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
5310013787761A00AME.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE


Techincal Specification:
THREAD SERIESUNC
NOMINAL THREAD SIZE0.250 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL OVERALL
SURFACE TREATMENTZINC AND
CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTMB633,TYPE 2, CLASS 3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
NUT STYLEHEXAGON
NUT HEIGHT0.212 INCHES MINIMUM AND
0.226 INCHES MAXIMUM
WIDTH ACROSS FLATS0.428 INCHES MINIMUM AND
0.438 INCHES MAXIMUM
BEARING SURFACE TYPECHAMFERED OR
WASHER FACED
SPECIAL FEATURESFINISH COLOR BRONZE OR 0LIVE DRAB
NONDEFINITIVE SPEC/STD DATA2 TYPE AND
4 STYLE


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