5315-01-181-2398 PIN,TAPERED,THREADED Index 5310-01-181-2400 NUT,PLAIN,ROUND

National Stock Number:
5310-01-181-2399

Federal Supply Class:
5310

National Item Identification Number:
011812399

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:
DD692-S4601-39 PIECE 5280064NAVAL SHIP SYSTEMS COMMAND
HC-402J/021916712SIEMENS ENERGY, INC.
S3213A16712SIEMENS ENERGY, INC.
S3213A59180CIRCOR PUMPS NORTH AMERICA LLC


Techincal Specification:
THREAD SERIESUN
NOMINAL THREAD SIZE1.375 INCHES
THREAD QUANTITY PER INCH16
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL OVERALL
NUT STYLEHEXAGON
NUT HEIGHT0.469 INCHES NOMINAL
WIDTH ACROSS FLATS1.875 INCHES NOMINAL
BEARING SURFACE TYPECHAMFERED
NUT COUNTERBORE DEPTH0.089 INCHES MINIMUM AND
0.099 INCHES MAXIMUM FIRST END
COUNTERBORE DIAMETER1.645 INCHES MINIMUM AND
1.655 INCHES MAXIMUM FIRST END
THE MANUFACTURERS DATA
MANUFACTURERS CODE59180
DESIGN CONTROL REFERENCES3213A


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