5310-00-639-5239 NUT,PLAIN,CASTELLATED,HEXAGON Index 5305-00-639-5263 SCREW,CAP,SOCKET HEAD

National Stock Number:
5310-00-639-5242

Federal Supply Class:
5310

National Item Identification Number:
006395242

Description:
NUT,PLAIN,CASTELLATED,HEXAGON

Detail:
A nut having 6 flat sides, flat on the bottom and having a slotted cylindrical or dome shaped upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes NUT (1), PLAIN, SLOTTED, HEXAGON.


Manufacturer Information:
340-83500010WLU1GENERAL DYNAMICS CORP CONVAIR DIV LINDBERGH FIELD FACILITY
340-835000114170HUGHES MISSILE SYSTEMS CO SAN DIEGO
340-835000163910BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION I
340-83500017B709TRACOR FLIGHT SYSTEMS INC SUB OF TRACOR INC


Techincal Specification:
BEARING SURFACE FINISH125.0 MICROINCHES
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
COUNTERSINK ANGLE109.5 DEGREES MINIMUM AND 110.5 DEGREES MAXIMUM NUT
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4140 OVERALL
NOMINAL THREAD SIZE0.438 INCHES
NUT HEIGHT0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
NUT STYLECASTELLATED, HEXAGON
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
WIDTH ACROSS FLATS0.750 INCHES NOMINAL
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH20
THREAD SERIESUNF


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