5305-01-423-3139 SCREW,MACHINE Index 4820-01-423-3141 VALVE,SAFETY RELIEF

National Stock Number:
5310-01-423-3140

Federal Supply Class:
5310

National Item Identification Number:
014233140

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:
807029-0793232CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
RY-151617 ITEM 1.693232CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION


Techincal Specification:
HARDNESS RATING24.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
NUT HEIGHT1.460 INCHES MINIMUM AND 1.540 INCHES MAXIMUM
NUT STYLEHEXAGON
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE1.750 INCHES
THREAD SERIESUN
THREAD QUANTITY PER INCH8
WIDTH ACROSS FLATS2.538 INCHES MINIMUM AND 2.625 INCHES MAXIMUM
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2B


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