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


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