5120-01-383-3937 WRENCH,SOCKET Index 5955-01-383-3939 OSCILLATOR,CRYSTAL CONTROLLED

National Stock Number:
5310-01-383-3938

Federal Supply Class:
5310

National Item Identification Number:
013833938

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:
12387277-231219207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM


Techincal Specification:
BEARING SURFACE TYPECHAMFERED
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE0.312 INCHES
NUT HEIGHT0.208 INCHES MINIMUM
NUT STYLEHEXAGON
SURFACE TREATMENTCHROMATE OVERALL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH18
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
WIDTH ACROSS FLATS0.545 INCHES MINIMUM AND 0.562 INCHES MAXIMUM


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