5310-00-687-7738 WASHER,FLAT Index 5305-00-687-7753 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5310-00-687-7740

Federal Supply Class:
5310

National Item Identification Number:
006877740

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:
MS35649-2296906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
BEARING SURFACE TYPEFLAT OR CHAMFERED
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE0.086 INCHES
NUT HEIGHT0.057 INCHES MINIMUM AND 0.066 INCHES MAXIMUM
NUT STYLEHEXAGON
WIDTH ACROSS FLATS0.180 INCHES MINIMUM AND 0.188 INCHES MAXIMUM
SURFACE TREATMENTCADMIUM OR ZINC AND CHROMATE OVERALL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNC
THREAD QUANTITY PER INCH56


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