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


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