NSN 5310-00-521-3771

Part Details | KEY WASHER

5310-00-521-3771 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.

Alternate Parts: S12100117000, S1210-0117-000, S12101007, S12-10-1007, 5310H19018, 5310H19-018, 5310-00-521-3771, 00-521-3771, 5310005213771, 005213771

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-521-377101869 ( WASHER, KEY )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 5310-00-521-3771
Part Number Cage Code Manufacturer
S1210-0117-00078286SIKORSKY AIRCRAFT CORPORATIONDBA SIKORSKY
S12-10-100778286SIKORSKY AIRCRAFT CORPORATIONDBA SIKORSKY
5310H19-01881996U S ARMY AVIATION AND MISSILECOMMAND
Technical Data | NSN 5310-00-521-3771
Characteristic Specifications
EXTERNAL KEY QUANTITY18
HOLE DIAMETER3.625 INCHES NOMINAL
OUTSIDE DIAMETER4.188 INCHES NOMINAL
EXTERNAL PREBENT KEY WIDTH0.3125 INCHES NOMINAL
OVERALL DISTANCE INCLUDING KEYS5.124 INCHES NOMINAL
SPECIAL FEATURESTHREE KEYS 0.375 IN.W WITH 0.391 IN. DIA HOLE CENTRALLY LOCATED