5340-00-523-2357 RING,RETAINING Index 4920-00-523-2376 FIXTURE,AIRCRAFT MAINTENANCE

National Stock Number:
5310-00-523-2372

Federal Supply Class:
5310

National Item Identification Number:
005232372

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:
523237219207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM


Techincal Specification:
BEARING SURFACE TYPEWASHER FACED
HARDNESS RATING90.0 ROCKWELL B MINIMUM
NUT HEIGHT0.609 INCHES NOMINAL
NUT STYLEHEXAGON
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE0.625 INCHES
SPECIAL FEATURESPAINTED OLIVE DRAB
THREAD QUANTITY PER INCH11
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
WIDTH ACROSS FLATS1.062 INCHES NOMINAL
SURFACE TREATMENTPHOSPHATE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2B


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