5310-01-593-6689 NUT,SELF-LOCKING,CASTELLATED,HEX 5310-01-593-6758 WASHER,FINISHING

National Stock Number:
5310-01-593-6690

Federal Supply Class:
5310

National Item Identification Number:
015936690

Description:
NUT,SELF-LOCKING,CASTELLATED,HEX

Detail:
A NUT HAVING 6 FLAT SIDES, FLAT ON THE BOTTOM AND HAVING A SLOTTED CYLINDRICAL OR DOME SHAPED UPPER PORTION. AN INTEGRAL FEATURE IS INCORPORATED FOR LOCKING ON THE THREADS OF A MATING MEMBER. THE SLOTS WHEN USED IN CONJUNCTION WITH A SOLID OR SPLIT (COTTER) PIN, ACT AS AN EXTRA "FAIL SAFE" FEATURE IN CRITICAL APPLICATIONS. EXCLUDES NUT (1), SELF-LOCKING, SLOTTED, HEXAGON.


Manufacturer Information:
BACN11N104CS81205THE BOEING COMPANY
BACN11N104CSZ0HA9BOEING DEFENCE AUSTRALIA


Techincal Specification:
BEARING SURFACE TYPEFLAT
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
MATERIALSTEEL CORROSION RESISTING OVERALL
NOMINAL THREAD SIZE0.250 INCHES
NUT HEIGHT0.173 INCHES MINIMUM AND 0.203 INCHES MAXIMUM
NUT STYLECASTELLATED, HEXAGON
SPECIAL FEATURESITEM IS FAA CERTIFIED
WIDTH ACROSS FLATS0.305 INCHES MINIMUM AND 0.315 INCHES MAXIMUM
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH28
THREAD SERIESUNIFIED NATIONAL JOINT FINE (UNJF)


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