4820-01-470-1277 DECK BOX OPERATOR,VALVE Index 5340-01-470-1279 COVER,ACCESS

National Stock Number:
5310-01-470-1278

Federal Supply Class:
5310

National Item Identification Number:
014701278

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:
88-2279030554DEPARTMENT OF DEFENSE PROJECT MANAGER-MOBILE ELECTRIC POWER
88-22790-630554DEPARTMENT OF DEFENSE PROJECT MANAGER-MOBILE ELECTRIC POWER


Techincal Specification:
THREAD SERIESUNF
NOMINAL THREAD SIZE0.625 INCHES
THREAD QUANTITY PER INCH18
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A 563 GRADE A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTZINC OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM B 633,SC 3,TYPE II ASSN STD SINGLE TREATMENT RESPONSE OVERALL
NUT STYLEHEXAGON
NUT HEIGHT0.706 INCHES MINIMUM AND
0.731 INCHES MAXIMUM
WIDTH ACROSS FLATS0.922 INCHES MINIMUM AND
0.938 INCHES MAXIMUM
BEARING SURFACE TYPECHAMFERED OR
WASHER FACED


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