5310-01-012-3342 WASHER Index 5305-01-012-3347 SCREW ASSEMBLY,PANEL

National Stock Number:
5310-01-012-3343

Federal Supply Class:
5310

National Item Identification Number:
010123343

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:
BMN5027-4-4017446HUCK INTERNATIONAL, INC
BMN5027-4-4097928HUCK INTL INC
NK1000160-4-4000624EATON AEROQUIP LLC


Techincal Specification:
NOMINAL THREAD SIZE0.250 INCHES
NUT HEIGHT0.580 INCHES MAXIMUM
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
PRECIOUS MATERIALSILVER
WIDTH ACROSS FLATS0.553 INCHES MINIMUM AND 0.565 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2411 ASSN STD SINGLE TREATMENT RESPONSE THREADS
SURFACE TREATMENTSILVER THREADS
TEMP RATING900.0 FAHRENHEIT NOMINAL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNJF
THREAD QUANTITY PER INCH28


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