5310-00-691-0257 NUT,PLAIN,HEXAGON Index 1680-00-691-0263 ARM,CONTROL,LANDING

National Stock Number:
5310-00-691-0258

Federal Supply Class:
5310

National Item Identification Number:
006910258

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:
FFS83681348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC


Techincal Specification:
THREAD SERIESUNC
NOMINAL THREAD SIZE0.625 INCHES
THREAD QUANTITY PER INCH11
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL OVERALL
SURFACE TREATMENTZINC OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM A153 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
NUT STYLEHEXAGON
NUT HEIGHT0.535 INCHES MINIMUM AND
0.559 INCHES MAXIMUM
WIDTH ACROSS FLATS0.922 INCHES MINIMUM AND
0.938 INCHES MAXIMUM
BEARING SURFACE TYPEFLAT
NONDEFINITIVE SPEC/STD DATA2 TYPE AND
4 STYLE
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCEFFS836


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