5310-00-042-6894 NUT,PLAIN,HEXAGON Index 2840-00-042-6896 SEAL,AIR,AIRCRAFT GAS TURBINE EN

National Stock Number:
5310-00-042-6895

Federal Supply Class:
5310

National Item Identification Number:
000426895

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:
42689524617GENERAL MOTORS CORP
4268957X677GENERAL MOTORS LLC
MILB857TYPEA81349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE0.500 INCHES
NONDEFINITIVE SPEC/STD DATAA TYPE
NUT HEIGHT0.277 INCHES MINIMUM AND 0.317 INCHES MAXIMUM
NUT STYLEHEXAGON
WIDTH ACROSS FLATS0.7880 INCHES MINIMUM AND 0.8125 INCHES MAXIMUM
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2B
THREAD SERIESUNC
THREAD QUANTITY PER INCH13


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