5970-01-009-3976 INSULATOR,PLATE Index 5310-01-009-3979 NUT,SELF-LOCKING,PLATE

National Stock Number:
5310-01-009-3978

Federal Supply Class:
5310

National Item Identification Number:
010093978

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:
332360226772WEGO PRECISION MACHINE, INC.
33236027N710CONSOLIDATED INDUSTRIES INC
332360282577RAYTHEON COMPANY


Techincal Specification:
BEARING SURFACE FINISH63.0 MICROINCHES
BEARING SURFACE TYPECHAMFERED
COUNTERSINK ANGLE90.0 DEGREES NOMINAL NUT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 303SE OVERALL
NOMINAL THREAD SIZE0.250 INCHES
NUT HEIGHT0.095 INCHES MINIMUM AND 0.100 INCHES MAXIMUM
NUT STYLEHEXAGON
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-F-14072,E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD PITCH DIAMETERS+0.2338 TO 0.2367 INCHES
THREAD QUANTITY PER INCH40
THREAD SERIESUNS
WIDTH ACROSS FLATS0.375 INCHES NOMINAL


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