5305-01-168-1207 SCREW,CLOSE TOLERANCE Index 5310-01-168-1209 NUT,PLAIN,HEXAGON

National Stock Number:
5310-01-168-1208

Federal Supply Class:
5310

National Item Identification Number:
011681208

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:
1474C93PC1294259BECHTEL MARINE PROPULSION CORPORATION


Techincal Specification:
BEARING SURFACE TYPEFLAT OR WASHER FACED
CRITICALITY CODE JUSTIFICATIONZZZY
NUT STYLEHEXAGON
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE0.250 INCHES
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNC
THREAD QUANTITY PER INCH20


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