5310-00-021-9713 NUT,PLAIN,HEXAGON Index 5998-00-021-9718 CIRCUIT CARD ASSEMBLY

National Stock Number:
5310-00-021-9717

Federal Supply Class:
5310

National Item Identification Number:
000219717

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:
21971721450ARMY WEAPONS COMMAND ATTN AMSWE-REE-S
21971724617GENERAL MOTORS CORP
2197177X677GENERAL 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
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE0.250 INCHES
NONDEFINITIVE SPEC/STD DATAA TYPE
NUT HEIGHT0.125 INCHES MINIMUM AND 0.157 INCHES MAXIMUM
NUT STYLEHEXAGON
WIDTH ACROSS FLATS0.4250 INCHES MINIMUM AND 0.4375 INCHES MAXIMUM
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNF
THREAD QUANTITY PER INCH28


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