5310-00-285-5653 NUT,PLAIN,HEXAGON Index 5310-00-285-5660 WASHER,LOCK

National Stock Number:
5310-00-285-5657

Federal Supply Class:
5310

National Item Identification Number:
002855657

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:
AN363B42088044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE


Techincal Specification:
BEARING SURFACE TYPEFLAT
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
MATERIALCOPPER OVERALL
NOMINAL THREAD SIZE0.250 INCHES
NUT HEIGHT0.312 INCHES NOMINAL
NUT STYLEHEXAGON
WIDTH ACROSS FLATS0.438 INCHES NOMINAL
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
TEMP RATING450.0 FAHRENHEIT NOMINAL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH20
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)


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