4730-01-138-6318 COUPLING,FLEXIBLE Index 5310-01-138-6320 NUT,PLAIN,HEXAGON

National Stock Number:
5310-01-138-6319

Federal Supply Class:
5310

National Item Identification Number:
011386319

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:
871231719207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM


Techincal Specification:
BEARING SURFACE TYPEFLAT
MATERIAL
NOMINAL THREAD SIZE0.688 INCHES
NUT HEIGHT0.156 INCHES MINIMUM AND 0.188 INCHES MAXIMUM
NUT STYLEHEXAGON
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
SURFACE TREATMENT
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH20
THREAD SERIESUNS
THREAD PITCH DIAMETERS+0.6550 TO 0.6606 INCHES
WIDTH ACROSS FLATS0.875 INCHES NOMINAL


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