NSN 5310-00-638-1740

Part Details | KEY WASHER

5310-00-638-1740 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: 476610401, 47-661-040-1, 476610401, 47-661-040-1, T6381740, T638-1740, 5310-00-638-1740, 00-638-1740, 5310006381740, 006381740

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-638-174001869 ( WASHER, KEY )
REFERENCE DRAWINGS & PICTURES

KEY

Cross Reference | NSN 5310-00-638-1740
Part Number Cage Code Manufacturer
47-661-040-197499BELL HELICOPTER TEXTRON INC.DBA BELL HELICOPTER
47-661-040-180070LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN
T638-174012842TOSSCO INC
Technical Data | NSN 5310-00-638-1740
Characteristic Specifications
STYLE DESIGNATOR KEY
EXTERNAL KEY QUANTITY4
INTERNAL KEY QUANTITY2
HOLE DIAMETER0.885 INCHES NOMINAL
OUTSIDE DIAMETER1.200 INCHES NOMINAL
EXTERNAL STRAIGHT KEY WIDTH0.200 INCHES NOMINAL
INTERNAL STRAIGHT KEY WIDTH0.160 INCHES NOMINAL
DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY0.320 INCHES NOMINAL
OVERALL DISTANCE INCLUDING KEYS1.650 INCHES NOMINAL
MATERIAL THICKNESS0.040 INCHES NOMINAL
EXTERNAL PREBENT KEY ANGLE30.0 DEGREES NOMINAL
SPECIAL FEATURESTWO SETS OF EXTNERAL KEYS UNEQUALLY SPACED,FIRST EXTERNA KEY 30 DEG FROM INTERNAL KEY AND SECOND EXTERNAL KEY 60 DEG FROM INTERNAL KEY WITH OPPOSITE SET OF EXTERNAL KAY 180 DEG APART