5310-00-521-3775 NUT,CAP MAIN ROTOR Index 2910-00-521-3777 JOINT UNIVERSAL LIN

National Stock Number:
5310-00-521-3776

Federal Supply Class:
5310

National Item Identification Number:
005213776

Description:
WASHER,KEY

Detail:
A washer of nonresilient material usually having two parallel bearing surfaces. The outside and/or inside edges have one or more protuberances. The ends and/or edges may be prebent at any angle or the protuberances may be prebent at any angle to the bearing surfaces. The keys or lugs may be fitted into keyways in adjacent material or they may be bent over after application to hold or lock one or more items in place. Excludes thrust type washer.


Manufacturer Information:
S12-10-307678286SIKORSKY AIRCRAFT CORPORATION


Techincal Specification:
EXTERNAL KEY QUANTITY13
EXTERNAL STRAIGHT KEY WIDTH0.125 INCHES NOMINAL
HOLE DIAMETER1.125 INCHES NOMINAL
OUTSIDE DIAMETER1.250 INCHES NOMINAL
OVERALL DISTANCE INCLUDING KEYS1.750 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.050 INCHES NOMINAL
MATERIALNICKEL ALLOY A OVERALL
STYLE DESIGNATORKEY


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