4540-01-093-4372 HEATING ELEMENT,ELECTRICAL,NONIMMERSION TYPE Index 5310-01-093-4376 NUT,PLAIN,KNURLED

National Stock Number:
5310-01-093-4373

Federal Supply Class:
5310

National Item Identification Number:
010934373

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:
667769-320418DRS SUSTAINMENT SYSTEMS, INC. USE CAGE CODE 98255 FOR CATALOGING
667769-398255DRS SUSTAINMENT SYSTEMS INC


Techincal Specification:
BEARING SURFACE TYPECHAMFERED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/4,TEMPER T6 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-367,TEMPER T6 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-225/6,TEMPER T6 FED SPEC 2ND MATERIAL RESPONSE OR QQ-A-225/6,TEMPER T851 FED SPEC 2ND MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 2014 OR ALUMINUM ALLOY 2024 OVERALL
NOMINAL THREAD SIZE0.438 INCHES
NUT HEIGHT0.438 INCHES NOMINAL
NUT STYLEHEXAGON
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-5541,CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCHROMATE OVERALL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH20
THREAD SERIESUNIFIED NATIONAL JOINT FINE (UNJF)
WIDTH ACROSS FLATS0.684 INCHES MINIMUM AND 0.691 INCHES MAXIMUM


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