5306-00-550-3018 BOLT,INTERNAL WRENC Index 5306-00-550-3020 BOLT,INTERNAL WRENCHING

National Stock Number:
5310-00-550-3019

Federal Supply Class:
5310

National Item Identification Number:
005503019

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:
MATERIALSTEEL OVERALL
NUT STYLEHEXAGON
THREAD CLASS2B
THREAD QUANTITY PER INCH11
THREAD SERIESUNC
BEARING SURFACE TYPEFLAT
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 11 STYLE
THREAD DIRECTIONRIGHT-HAND
WIDTH ACROSS FLATS1.031 INCHES MINIMUM AND 1.062 INCHES MAXIMUM
NOMINAL THREAD SIZE0.625 INCHES
NUT HEIGHT0.587 INCHES MINIMUM AND 0.631 INCHES MAXIMUM


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