5305-00-137-7931 SCREW,MACHINE Index 5985-00-137-7936 WAVEGUIDE ASSEMBLY

National Stock Number:
5310-00-137-7933

Federal Supply Class:
5310

National Item Identification Number:
001377933

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:
SMB63270780063US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR


Techincal Specification:
BEARING SURFACE TYPECHAMFERED OR FLAT
NUT HEIGHT0.258 INCHES MINIMUM AND 0.273 INCHES MAXIMUM
NUT STYLEHEXAGON
MATERIALSTEEL CORROSION RESISTING OVERALL
NOMINAL THREAD SIZE0.312 INCHES
WIDTH ACROSS FLATS0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH18
THREAD SERIESUNC
THREAD PITCH DIAMETERS+0.5570 TO 0.5770 INCHES


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