4520-01-298-2806 HEATER,SPACE,ELECTRIC Index 5310-01-298-2808 WASHER,FLAT

National Stock Number:
5310-01-298-2807

Federal Supply Class:
5310

National Item Identification Number:
012982807

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:
6195814-153711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
THREAD SERIESUNC
NOMINAL THREAD SIZE0.112 INCHES
THREAD QUANTITY PER INCH40
THREAD CLASS2B
MATERIALSTEEL CORROSION RESISTING OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A276-84 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NUT STYLEHEXAGON
NUT HEIGHT0.087 INCHES MINIMUM AND
0.098 INCHES MAXIMUM
WIDTH ACROSS FLATS0.241 INCHES MINIMUM AND
0.250 INCHES MAXIMUM
BEARING SURFACE TYPECHAMFERED
SPECIAL FEATURESTESTING IAW MIL-M-19595
CRITICALITY CODE JUSTIFICATIONFEAT
SUPPLEMENTARY FEATURESMK 16 MOD 0 EOD UBA
THE MANUFACTURERS DATA
MANUFACTURERS CODE53711
DESIGN CONTROL REFERENCE6195814-1


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