5310-00-252-4640 WASHER,FLAT Index 5310-00-252-4642 NUT,PLAIN,HEXAGON

National Stock Number:
5310-00-252-4641

Federal Supply Class:
5310

National Item Identification Number:
002524641

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:
107029-55337695RAYTHEON COMPANY


Techincal Specification:
BEARING SURFACE TYPECHAMFERED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-626,1/2 H FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY 360 OVERALL
NOMINAL THREAD SIZE0.099 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 TREATMENT DOCUMENT AND CLASSIFICATIONFPS 486-2 FSCM 37695 MFR REF ALL TREATMENT RESPONSES OVERALL
SURFACE TREATMENTCADMIUM OR CHROMATE OVERALL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH48


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