5310-01-185-2855 NUT,PLAIN,KNURLED Index 5310-01-185-2857 WASHER,CONVEX

National Stock Number:
5310-01-185-2856

Federal Supply Class:
5310

National Item Identification Number:
011852856

Description:
NUT,SELF-LOCKING,ROUND

Detail:
A nut, circular in shape, which may have wrenching facilities such as flats, holes, protusions, slots or splines in or on the periphery or in the face opposite the bearing surface. An integral feature is incorporated for locking on the threads of a mating member. Do not use if a more specific item name applies. Excludes COLLAR, PIN-RIVET, THREADED; INSERT, SCREW THREAD; NUT (1), SLEEVE; NUT(1), PLAIN, CAP; and TURNBUCKLE BODY.


Manufacturer Information:
68A580699-200376301THE BOEING COMPANY


Techincal Specification:
DRIVE POINT DEPTH0.165 INCHES NOMINAL
DRIVE POINT QUANTITY12
DRIVE POINT WIDTH0.420 INCHES NOMINAL
LOCKING FEATUREPREVAILING TORQUE WITH METALLIC INSERT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6 COND T581 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 2024 OVERALL
NOMINAL THREAD SIZE2.438 INCHES
NUT DIAMETER3.061 INCHES NOMINAL
NUT THICKNESS0.500 INCHES NOMINAL
SMALL END DIAMETER2.600 INCHES NOMINAL
SPECIAL FEATURESITEM IS SIMILAR TO STYLE A76 BUT DRIVE POINTS ARE ON INNER BEARING SURFACE RATHER THAN FLANGE
SURFACE TREATMENTANODIZE OVERALL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNS
THREAD QUANTITY PER INCH16
UNDERCUT THICKNESS0.410 INCHES NOMINAL


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