5310-00-021-9706 NUT,PLAIN,HEXAGON Index 5310-00-021-9708 NUT,PLAIN,HEXAGON

National Stock Number:
5310-00-021-9707

Federal Supply Class:
5310

National Item Identification Number:
000219707

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:
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 SIZE0.312 INCHES
NONDEFINITIVE SPEC/STD DATAA TYPE
NUT HEIGHT0.155 INCHES MINIMUM AND 0.189 INCHES MAXIMUM
NUT STYLEHEXAGON
WIDTH ACROSS FLATS0.5470 INCHES MINIMUM AND 0.5628 INCHES MAXIMUM
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNF
THREAD QUANTITY PER INCH24


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