5310-00-221-4916 NUT,PLAIN,HEXAGON Index 5945-00-221-4921 RELAY,ELECTROMAGNETIC

National Stock Number:
5310-00-221-4917

Federal Supply Class:
5310

National Item Identification Number:
002214917

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:
5107982423KLEINSCHMIDT INC


Techincal Specification:
BEARING SURFACE FINISH63.0 MICROINCHES
BEARING SURFACE TYPEWASHER FACED
COUNTERSINK ANGLE77.0 DEGREES MINIMUM AND 87.0 DEGREES MAXIMUM NUT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 303 OVERALL
NOMINAL THREAD SIZE0.250 INCHES
NUT HEIGHT0.209 INCHES MINIMUM AND 0.229 INCHES MAXIMUM
NUT STYLEHEXAGON
WIDTH ACROSS FLATS0.3095 INCHES MINIMUM AND 0.3135 INCHES MAXIMUM
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNF
THREAD QUANTITY PER INCH28


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