1560-00-021-8545 INSULATION PIPE COVERING,THERMAL Index 5310-00-021-8551 NUT,PLAIN,HEXAGON

National Stock Number:
5310-00-021-8550

Federal Supply Class:
5310

National Item Identification Number:
000218550

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:
2185501WL60LOCKHEED MARTIN SERVICES, LLC
21855021450ARMY WEAPONS COMMAND ATTN AMSWE-REE-S
21855024617GENERAL MOTORS CORP
21855074703LOCKHEED MARTIN AERONAUTICAL SYSTEMS SUPPORT COMPANY
2185507X677GENERAL MOTORS LLC
FFN836GPCTYPE2STYLE1GRADEA81348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC


Techincal Specification:
BEARING SURFACE TYPEFLAT
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE0.099 INCHES
NONDEFINITIVE SPEC/STD DATAC GROUP AND 2 TYPE AND 1 STYLE AND A GRADE
NUT HEIGHT0.057 INCHES MINIMUM AND 0.066 INCHES MAXIMUM
NUT STYLEHEXAGON
WIDTH ACROSS FLATS0.1800 INCHES MINIMUM AND 0.1875 INCHES MAXIMUM
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNC
THREAD QUANTITY PER INCH48


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