5310-00-543-5687 WASHER,FLAT Index 5305-00-543-5692 SCREW,CAP,SOCKET HEAD

National Stock Number:
5310-00-543-5688

Federal Supply Class:
5310

National Item Identification Number:
005435688

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:
10395420A486GNIMIKKEISTOKESKUS NCB FINLAND
227D17875EATON CORPORATION DBA AIR CONTROLS DIVISION DIV AIR CONTROLS DIVISION
8508588NATIONAL DISTILLERS AND CHEMICAL CORP BRIDGEPORT BRASS CO DIV
HN56L817NATIONAL MACHINE COMPANY
HN579934THE TIRE & RIM ASSOCIATION INC
TRHN579934THE TIRE & RIM ASSOCIATION INC


Techincal Specification:
BEARING SURFACE TYPEFLAT
MATERIALCOPPER ALLOY OVERALL
NOMINAL THREAD SIZE0.312 INCHES
NUT HEIGHT0.188 INCHES NOMINAL
NUT STYLEHEXAGON
WIDTH ACROSS FLATS0.500 INCHES NOMINAL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH32
THREAD SERIESUNEF


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