1560-00-264-1235 DUCT ASSEMBLY,AIR COOLING,AVIONI Index 1560-00-264-1238 DUCT ASSEMBLY,AIR COOLING,AVIONI

National Stock Number:
5310-00-264-1236

Federal Supply Class:
5310

National Item Identification Number:
002641236

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:
819335818876U S ARMY AVIATION AND MISSILE COMMAND
879-029C79343ASRC FEDERAL FACILITIES LOGISTICS, LLC
FF-N-83681348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
AN315C8R88044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
879-029C93568HARSCO CORP BMY-COMBAT SYSTEMS DIV


Techincal Specification:
BEARING SURFACE TYPEWASHER FACED
COUNTERSINK ANGLE110.0 DEGREES NOMINAL NUT
NUT STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL CORROSION RESISTING OVERALL
NOMINAL THREAD SIZE0.500 INCHES
NONDEFINITIVE SPEC/STD DATA2 TYPE
NUT HEIGHT0.375 INCHES NOMINAL
WIDTH ACROSS FLATS0.738 INCHES MINIMUM AND 0.752 INCHES MAXIMUM
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH20
THREAD SERIESUNF


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