3120-00-139-4626 BEARING,SLEEVE Index 5306-00-139-4628 BOLT,SHOULDER

National Stock Number:
5310-00-139-4627

Federal Supply Class:
5310

National Item Identification Number:
001394627

Description:
NUT,SELF-LOCKING,HEXAGON

Detail:
A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes NUT (1), SELF-LOCKING, CAP.


Manufacturer Information:
11609727-119207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
5310001394627A00AME.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE
5310001394627SCY13E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE


Techincal Specification:
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL COMP 1013 OR
STEEL COMP 1045 OVERALL
NUT STYLEHEXAGON
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
BEARING SURFACE TYPECHAMFERED
THREAD SERIESUNF
NOMINAL THREAD SIZE0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS2B
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-634 FED SPEC ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENTZINC OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-Z-325,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING20.0 ROCKWELL C MINIMUM AND
25.0 ROCKWELL C MAXIMUM
NUT HEIGHT0.281 INCHES NOMINAL
WIDTH ACROSS FLATS0.438 INCHES NOMINAL
COUNTERSINK ANGLE90.0 DEGREES NOMINAL NUT
LUBRICATIONSOLUBLE LUBRICANT
FEATURES PROVIDEDCASEHARDENED
SPECIAL FEATURESLOCKING FEATURE MAY BE ELLIPTICAL,TRIANGULAR ETC,BUT NOT SLOTTED


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