5305-00-639-5238 SCREW,CAP,SOCKET HEAD Index 5310-00-639-5242 NUT,PLAIN,CASTELLATED,HEXAGON

National Stock Number:
5310-00-639-5239

Federal Supply Class:
5310

National Item Identification Number:
006395239

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:
STD101380254TEXTRON LYCOMING INC WILLIAMSPORT PLANT
STD1013R1120SATAIR A/S


Techincal Specification:
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
COUNTERSINK ANGLE108.0 DEGREES MINIMUM NUT AND 112.0 DEGREES MAXIMUM NUT
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 1025 OVERALL OR STEEL COMP 1035 OVERALL
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD SIZE0.312 INCHES
NUT HEIGHT0.318 INCHES MINIMUM AND 0.338 INCHES MAXIMUM
NUT STYLECASTELLATED, HEXAGON
WIDTH ACROSS FLATS0.490 INCHES MINIMUM AND 0.502 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAN-P-61 MIL STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH24
THREAD SERIESUNF


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