5310-01-257-1697 NUT,PLAIN,HEXAGON Index 5310-01-257-1699 NUT,PLAIN,HEXAGON

National Stock Number:
5310-01-257-1698

Federal Supply Class:
5310

National Item Identification Number:
012571698

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:
MS35649-282B96906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
BEARING SURFACE TYPECHAMFERED
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE0.164 INCHES
NUT HEIGHT0.117 INCHES MINIMUM AND 0.130 INCHES MAXIMUM
NUT STYLEHEXAGON
WIDTH ACROSS FLATS0.332 INCHES MINIMUM AND 0.344 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-13924,CL1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTOXIDE OVERALL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH32


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