4540-01-255-0099 HEATING ELEMENT,ELECTRICAL,NONIMMERSION TYPE Index 5310-01-255-0101 NUT,PLAIN,HEXAGON

National Stock Number:
5310-01-255-0100

Federal Supply Class:
5310

National Item Identification Number:
012550100

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:
113-2653326-380064NAVAL SHIP SYSTEMS COMMAND
2653326-3D9182ZF INDUSTRIEANTRIEBE WITTEN GMBH


Techincal Specification:
BEARING SURFACE TYPECHAMFERED
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 316 OVERALL
NOMINAL THREAD SIZE0.086 INCHES
NUT HEIGHT1.090 INCHES MINIMUM AND 1.150 INCHES MAXIMUM
NUT STYLEHEXAGON
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH4-1/2
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
WIDTH ACROSS FLATS2.970 INCHES MINIMUM AND 3.030 INCHES MAXIMUM


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