5310-01-187-1920 NUT,PLAIN,HEXAGON Index 4730-01-187-1922 NUT,UNION

National Stock Number:
5310-01-187-1921

Federal Supply Class:
5310

National Item Identification Number:
011871921

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:
4903 F PC 404537ATWOOD & MORRILL CO. INC. DBA WEIR VALVES AND CONTROLS USA
4903-F-404537ATWOOD & MORRILL CO. INC. DBA WEIR VALVES AND CONTROLS USA


Techincal Specification:
NOMINAL THREAD SIZE2.000 INCHES
THREAD QUANTITY PER INCH8
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL OVERALL
NUT STYLEHEXAGON
NUT HEIGHT1.840 INCHES MINIMUM AND
2.016 INCHES MAXIMUM
WIDTH ACROSS FLATS2.109 INCHES MINIMUM AND
2.156 INCHES MAXIMUM
BEARING SURFACE TYPEFLAT
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
CRITICALITY CODE JUSTIFICATIONZZZY
THE MANUFACTURERS DATA
MANUFACTURERS CODE04537
DESIGN CONTROL REFERENCE4903-F-4


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