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


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