5310-01-420-7626 WASHER,LOCK Index 5305-01-420-7628 SCREW,MACHINE

National Stock Number:
5310-01-420-7627

Federal Supply Class:
5310

National Item Identification Number:
014207627

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:
141247200REV H ITEM 176371MECHANICAL EQUIPMENT COMPANY, INC.
351022400076371MECHANICAL EQUIPMENT COMPANY, INC.


Techincal Specification:
BEARING SURFACE TYPECHAMFERED
MATERIAL DOCUMENT AND CLASSIFICATIONASTM F467, GR655 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM F467, GR 661 ASSN STD 1ST MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY 655 OR COPPER ALLOY 661 OVERALL
NOMINAL THREAD SIZE0.500 INCHES
NUT HEIGHT0.427 INCHES MINIMUM AND 0.448 INCHES MAXIMUM
NUT STYLEHEXAGON
SPECIFICATION/STANDARD DATA81349-MIL-S-1222 GOVERNMENT STANDARD
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH13
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
WIDTH ACROSS FLATS0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM


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