5305-01-499-8137 SCREW,CAP,HEXAGON HEAD Index 5310-01-499-8139 WASHER,FLAT

National Stock Number:
5310-01-499-8138

Federal Supply Class:
5310

National Item Identification Number:
014998138

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:
1596046CRANE PUMPS & SYSTEMS PFT CORP
15-19-196046CRANE PUMPS & SYSTEMS PFT CORP


Techincal Specification:
BEARING SURFACE TYPECHAMFERED
NUT HEIGHT0.195 INCHES NOMINAL
NUT STYLEHEXAGON
NOMINAL THREAD SIZE0.312 INCHES
PART NAME ASSIGNED BY CONTROLLING AGENCYNUTS, HEXAGON
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH10
WIDTH ACROSS FLATS0.428 INCHES NOMINAL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND


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