5315-01-466-6686 PIN,RETAINING Index 4220-01-466-6688 RING BUOY,LIFESAVING

National Stock Number:
5310-01-466-6687

Federal Supply Class:
5310

National Item Identification Number:
014666687

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:
88-2279030554DEPARTMENT OF DEFENSE PROJECT MANAGER-MOBILE ELECTRIC POWER
88-22790-330554DEPARTMENT OF DEFENSE PROJECT MANAGER-MOBILE ELECTRIC POWER


Techincal Specification:
BEARING SURFACE TYPECHAMFERED
NOMINAL THREAD SIZE0.375 INCHES
NUT HEIGHT0.320 INCHES MINIMUM AND 0.337 INCHES MAXIMUM
NUT STYLEHEXAGON
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH16
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD TOLERANCE CLASS3H INTERNAL
WIDTH ACROSS FLATS0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM


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