3010-00-234-7819 COUPLING,SHAFT,RIGID Index 5310-00-234-7821 NUT,PLAIN,HEXAGON

National Stock Number:
5310-00-234-7820

Federal Supply Class:
5310

National Item Identification Number:
002347820

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:
AN924-2J88044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
AS5178J0288044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE


Techincal Specification:
BEARING SURFACE TYPECHAMFERED
COUNTERSINK ANGLE90.0 DEGREES NOMINAL NUT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 304 OVERALL
NOMINAL THREAD SIZE0.312 INCHES
NUT HEIGHT0.203 INCHES MINIMUM AND 0.235 INCHES MAXIMUM
NUT STYLEHEXAGON
WIDTH ACROSS FLATS0.559 INCHES MINIMUM AND 0.566 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3B
THREAD SERIESUNF
THREAD QUANTITY PER INCH24


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