5310-01-588-2703 WASHER,FLAT Index 5310-01-588-3371 WASHER,FLAT

National Stock Number:
5310-01-588-2727

Federal Supply Class:
5310

National Item Identification Number:
015882727

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:
12759-010130Y3H3FASTENAL COMPANY
707120Y3H3FASTENAL COMPANY


Techincal Specification:
BEARING SURFACE TYPEFLAT
HARDNESS RATING95.0 ROCKWELL B MINIMUM AND 36.0 ROCKWELL C MAXIMUM
PART NAME ASSIGNED BY CONTROLLING AGENCYHEX NUT
MATERIALSTEEL CORROSION RESISTING OVERALL
NOMINAL THREAD SIZE0.375 INCHES
NUT HEIGHT0.320 INCHES MINIMUM AND 0.337 INCHES MAXIMUM
NUT STYLEHEXAGON
WIDTH ACROSS FLATS0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH16
THREAD SERIESUNC


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