4540-01-252-9188 HEATING ELEMENT,ELECTRICAL,NONIMMERSION TYPE Index 4730-01-252-9190 SLEEVE,HOSE CONNECTOR

National Stock Number:
5310-01-252-9189

Federal Supply Class:
5310

National Item Identification Number:
012529189

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:
114289-109344ROCKWELL COLLINS, INC. DBA RC DISPLAYS SYSTEMS


Techincal Specification:
THREAD SERIESUNJF
NOMINAL THREAD SIZE0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL COMP 303 OR
STEEL COMP 303CU OR
STEEL COMP 303F OR
STEEL COMP 303MA OR
STEEL COMP 303PB OR
STEEL COMP 303 PLUS X OR
STEEL COMP 303S OR
STEEL COMP 303SE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582 ASSN STD ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NUT STYLEHEXAGON
NUT HEIGHT0.280 INCHES NOMINAL
WIDTH ACROSS FLATS0.500 INCHES NOMINAL
BEARING SURFACE TYPECHAMFERED
SPECIAL FEATURESHOLE DRILLED THRU SIDE 0.125 IN. LG AND 0.061 IN. MIN AND 0.065 IN. MAX W


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