5310-00-032-6975 NUT,PLAIN,ROUND Index 5310-00-032-6977 WASHER,MAIN ROTOR,H

National Stock Number:
5310-00-032-6976

Federal Supply Class:
5310

National Item Identification Number:
000326976

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:
S10-10-331978286SIKORSKY AIRCRAFT CORPORATION


Techincal Specification:
EXTERNAL KEY QUANTITY15
EXTERNAL STRAIGHT KEY WIDTH0.219 INCHES NOMINAL
HOLE DIAMETER1.690 INCHES MINIMUM AND 1.696 INCHES MAXIMUM
OUTSIDE DIAMETER2.012 INCHES NOMINAL
OVERALL DISTANCE INCLUDING KEYS2.625 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.056 INCHES NOMINAL
WIDTH BETWEEN FLATS1.594 INCHES MINIMUM AND 1.599 INCHES MAXIMUM
STYLE DESIGNATORKEY


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