5306-00-576-0538 BOLT,MACHINE Index 5310-00-576-0544 NUT,SELF-LOCKING,EXTENDED WASHER

National Stock Number:
5310-00-576-0541

Federal Supply Class:
5310

National Item Identification Number:
005760541

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:
59657119207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
FFN836GPBTYPE3STYLE4GRADEA81348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC


Techincal Specification:
THREAD SERIESUNF
NOMINAL THREAD SIZE0.312 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL OVERALL
NUT STYLEHEXAGON
NUT HEIGHT0.180 INCHES MINIMUM AND
0.195 INCHES MAXIMUM
WIDTH ACROSS FLATS0.4890 INCHES MINIMUM AND
0.5000 INCHES MAXIMUM
BEARING SURFACE TYPECHAMFERED OR
WASHER FACED
NONDEFINITIVE SPEC/STD DATAB GROUP AND
1 TYPE AND
2 STYLE
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCEFFN836GPBTYPE3STYLE4GRADEA


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