5310-00-176-8119 NUT,PLAIN,HEXAGON Index 5310-00-176-8121 NUT,PLAIN,HEXAGON

National Stock Number:
5310-00-176-8120

Federal Supply Class:
5310

National Item Identification Number:
001768120

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:
AN340C41688044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE


Techincal Specification:
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-7720 COMP FS MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-7720 COMP FS MIL SPEC 3RD MATERIAL RESPONSE OVERALL
MATERIALSTEEL CORROSION RESISTING OR STEEL COMP 303S OR STEEL COMP 303SE OVERALL
NOMINAL THREAD SIZE0.250 INCHES
NUT HEIGHT0.178 INCHES MINIMUM AND 0.193 INCHES MAXIMUM
NUT STYLEHEXAGON
WIDTH ACROSS FLATS0.423 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH20
THREAD SERIESUNC


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