5930-01-537-1920 SWITCH,TOGGLE Index 5330-01-537-1922 GASKET

National Stock Number:
5310-01-537-1921

Federal Supply Class:
5310

National Item Identification Number:
015371921

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:
BACN11U4CM2N81205THE BOEING COMPANY


Techincal Specification:
BEARING SURFACE TYPECHAMFERED
LUBRICATIONDRY FILM LUBRICANT
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5525 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS5853 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALIRON ALLOY 660 OVERALL
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD SIZE0.250 INCHES
NUT HEIGHT0.125 INCHES NOMINAL
NUT STYLEHEXAGON
WIDTH ACROSS FLATS0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM A967 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH28
THREAD SERIESUNJF


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