NSN 5310-01-057-2977

Part Details | KEY WASHER

5310-01-057-2977 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: 87806 PIECE 22, 4012783B, 401278-3-B, 5310-01-057-2977, 01-057-2977, 5310010572977, 010572977

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAR 10, 197801-057-297701869 ( WASHER, KEY )
REFERENCE DRAWINGS & PICTURES

KEY

Cross Reference | NSN 5310-01-057-2977
Part Number Cage Code Manufacturer
87806 PIECE 2250380RELIANCE ELECTRIC
401278-3-B50380RELIANCE ELECTRIC
Technical Data | NSN 5310-01-057-2977
Characteristic Specifications
STYLE DESIGNATOR KEY
EXTERNAL KEY QUANTITY13
HOLE DIAMETER0.886 INCHES NOMINAL
OUTSIDE DIAMETER1.285 INCHES NOMINAL
INTERNAL PREBENT KEY LENGTH0.156 INCHES NOMINAL
EXTERNAL STRAIGHT KEY WIDTH0.160 INCHES NOMINAL
INTERNAL PREBENT KEY WIDTH0.175 INCHES NOMINAL
OVERALL DISTANCE INCLUDING KEYS1.712 INCHES NOMINAL
MATERIAL THICKNESS0.050 INCHES NOMINAL