5310-00-013-4542 NUT,PLAIN,SQUARE Index 5310-00-013-4556 NUT,PLAIN,HEXAGON

National Stock Number:
5310-00-013-4551

Federal Supply Class:
5310

National Item Identification Number:
000134551

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:
13455112204DAIMLER CHRYSLER
13455123705FRUEHAUF CORP
13455156442DIAMOND REO TRUCK CO
190249316764GENERAL MOTORS CORP DELCO REMY DIV
19024931LW55BORGWARNER PDS (ANDERSON), L.L.C.
190249324617GENERAL MOTORS CORP
19024937X677GENERAL MOTORS LLC
190351516764GENERAL MOTORS CORP DELCO REMY DIV
19035151LW55BORGWARNER PDS (ANDERSON), L.L.C.
190351524617GENERAL MOTORS CORP
19035157X677GENERAL MOTORS LLC
20501-3819315HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS FORMER BENDIX NAVIGATION AND CONTROL SYSTEMS
20501-3864547HONEYWELL INTERNATIONAL, INC
20501-3883298ALLIED SIGNAL INC AEROSPACE EQUIPMENT SYSTEMS EATONTOWN SITE
770644119207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
80248319203PICATINNY ARSENAL
8394508683BROCKWAY MOTOR TRUCKS DIV OF MACK TRUCKS INC
DX416P56442DIAMOND REO TRUCK CO
FFN836GPCTYPE2STYLE1GRADEA81348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
N16311D56442DIAMOND REO TRUCK CO


Techincal Specification:
BEARING SURFACE TYPEFLAT
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE0.250 INCHES
NONDEFINITIVE SPEC/STD DATAC GROUP AND 2 TYPE AND 1 STYLE AND A GRADE
NUT HEIGHT0.178 INCHES MINIMUM AND 0.193 INCHES MAXIMUM
NUT STYLEHEXAGON
WIDTH ACROSS FLATS0.4230 INCHES MINIMUM AND 0.4375 INCHES MAXIMUM
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH20
THREAD SERIESUNC


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