5310-00-637-1991 NUT,PLAIN,HEXAGON Index 5310-00-637-1994 NUT,PLAIN,HEXAGON

National Stock Number:
5310-00-637-1993

Federal Supply Class:
5310

National Item Identification Number:
006371993

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 TYPEWASHER FACED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,COND A OR C FED SPEC ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 410 OR STEEL COMP 416 OVERALL
NOMINAL THREAD SIZE0.375 INCHES
NONDEFINITIVE SPEC/STD DATAA TYPE
NUT HEIGHT0.312 INCHES NOMINAL
NUT STYLEHEXAGON
WIDTH ACROSS FLATS0.551 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH24
THREAD SERIESUNF


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