5310-00-165-1869 NUT,PLAIN,HEXAGON Index 5305-00-165-1873 SCREW,CLOSE TOLERANCE

National Stock Number:
5310-00-165-1870

Federal Supply Class:
5310

National Item Identification Number:
001651870

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:
N0207P00021C1109172GENERAL ELECTRIC CO MATERIALS INFORMATION SERVICES
N207P20C09172GENERAL ELECTRIC CO MATERIALS INFORMATION SERVICES
N207P20C1197993GENERAL DYNAMICS DEFENSE SYSTEMS INC. DBA GENERAL DYNAMICS ADVANCED INFORMATION SYSTEMS


Techincal Specification:
BEARING SURFACE TYPECHAMFERED
MATERIALCOPPER ALLOY OVERALL
NOMINAL THREAD SIZE0.250 INCHES
NUT HEIGHT0.178 INCHES MINIMUM AND 0.193 INCHES MAXIMUM
NUT STYLEHEXAGON
WIDTH ACROSS FLATS0.423 INCHES MINIMUM AND 0.437 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONF70C3A FSCM 97993 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM AND DICHROMATE OVERALL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNF
THREAD QUANTITY PER INCH28


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