5310-00-021-8407 NUT,PLAIN,HEXAGON Index 1560-00-021-8412 INSULATION PIPE COVERING,THERMAL

National Stock Number:
5310-00-021-8408

Federal Supply Class:
5310

National Item Identification Number:
000218408

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:
090640592392ALLIS-CHALMERS CORP
0906405-692392ALLIS-CHALMERS CORP
21840819207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
21840824617GENERAL MOTORS CORP
21840829930INTERNATIONAL HARVESTER CO AGRICULTURAL EQUIPMENT DIV
2184087X677GENERAL MOTORS LLC
41F2072260CORBITT CO INC
6X3-1-1-463734KAITLIN CORP
90640592392ALLIS-CHALMERS CORP
FFB571TYPEA81348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
N3831156442DIAMOND REO TRUCK CO


Techincal Specification:
BEARING SURFACE TYPEWASHER FACED
DEPARTURE FROM CITED DOCUMENTAS MODIFIED BY NUT HEIGHT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633-CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE1.250 INCHES
NONDEFINITIVE SPEC/STD DATAA TYPE
NUT HEIGHT1.063 INCHES NOMINAL
NUT STYLEHEXAGON
WIDTH ACROSS FLATS1.875 INCHES NOMINAL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNF
THREAD QUANTITY PER INCH12


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