5640-01-083-1608 INSULATION SLEEVING,THERMAL Index 5310-01-083-1610 WASHER,FLAT

National Stock Number:
5310-01-083-1609

Federal Supply Class:
5310

National Item Identification Number:
010831609

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:
012037180195ED ETNYRE & CO


Techincal Specification:
BEARING SURFACE TYPECHAMFERED
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE0.500 INCHES
NUT HEIGHT0.427 INCHES MINIMUM AND 0.448 INCHES MAXIMUM
NUT STYLEHEXAGON
WIDTH ACROSS FLATS0.737 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 1,CLASS C FED SPEC SINGLE TREATMENT RESPONSE OR QQ-Z-325,TYPE CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2B
THREAD SERIESUNF
THREAD QUANTITY PER INCH20


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