5310-00-691-0252 NUT,PLAIN,HEXAGON Index 5310-00-691-0255 NUT,PLAIN,HEXAGON

National Stock Number:
5310-00-691-0254

Federal Supply Class:
5310

National Item Identification Number:
006910254

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:
BEARING SURFACE TYPEFLAT
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE0.375 INCHES
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 4 STYLE
NUT HEIGHT0.320 INCHES MINIMUM AND 0.337 INCHES MAXIMUM
NUT STYLEHEXAGON
WIDTH ACROSS FLATS0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-Z-325 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OR ASTM 153 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTZINC AND CHROMATE OR ZINC OVERALL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNC
THREAD QUANTITY PER INCH16


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