5310-01-274-3251 NUT,PLAIN,INTERNAL WRENCHING Index 5310-01-274-3253 WASHER,FLAT

National Stock Number:
5310-01-274-3252

Federal Supply Class:
5310

National Item Identification Number:
012743252

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:
61350-24703-10278286SIKORSKY AIRCRAFT CORPORATION


Techincal Specification:
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL OVERALL
NUT STYLEHEXAGON
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
BEARING SURFACE TYPECHAMFERED OR
WASHER FACED
THREAD SERIESUNJF
NOMINAL THREAD SIZE0.625 INCHES
THREAD QUANTITY PER INCH18
THREAD CLASS3B
SURFACE TREATMENTCADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NUT HEIGHT0.732 INCHES MINIMUM AND
0.766 INCHES MAXIMUM
WIDTH ACROSS FLATS0.928 INCHES MINIMUM AND
0.940 INCHES MAXIMUM
COUNTERSINK ANGLE88.0 DEGREES NOMINAL OVERALL
LUBRICATIONSOLUBLE LUBRICANT
TEMP RATING450.0 DEG FAHRENHEIT NOMINAL
BEARING SURFACE FINISH125.0 MICROINCHES
THE MANUFACTURERS DATA
MANUFACTURERS CODE78286
DESIGN CONTROL REFERENCE61350-24703-102


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