5306-00-680-5570 BOLT,MACHINE Index 5310-00-680-5582 NUT,PLAIN,HEXAGON

National Stock Number:
5310-00-680-5581

Federal Supply Class:
5310

National Item Identification Number:
006805581

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:
56A2360380049DEPARTMENT OF THE AIR FORCE


Techincal Specification:
BEARING SURFACE TYPEWASHER FACED
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 1020 OVERALL
NOMINAL THREAD SIZE0.500 INCHES
NUT HEIGHT0.250 INCHES NOMINAL
NUT STYLEHEXAGON
WIDTH ACROSS FLATS0.738 INCHES MINIMUM AND 0.757 INCHES MAXIMUM
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNF
THREAD QUANTITY PER INCH20


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