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
WIDTH ACROSS FLATS0.375 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-F-14072,E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH40
THREAD PITCH DIAMETERS+0.2338 TO 0.2367 INCHES
THREAD SERIESUNS


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