5310-01-539-4556 NUT,SELF-LOCKING,PLATE Index 5310-01-539-4558 WASHER,FLAT

National Stock Number:
5310-01-539-4557

Federal Supply Class:
5310

National Item Identification Number:
015394557

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:
241-083218560ACR ELECTRONICS, INC.
241-083260253ARTEX AIRCRAFT SUPPLIES INC. DBA WULFSBERG ELECTRONICS DIV CHELTON AVIONICS INC.


Techincal Specification:
BEARING SURFACE TYPEFLAT
NUT HEIGHT0.090 INCHES NOMINAL
NUT STYLEHEXAGON
MATERIALSTEEL CORROSION RESISTING OVERALL
NOMINAL THREAD SIZE0.164 INCHES
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH32
WIDTH ACROSS FLATS0.250 INCHES NOMINAL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND


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