No other part numbers with same form, fit, and function found.
A platelike retaining spring which snaps over pin ends to lock the link plates of drive chain in place.
NSN 5990-00-009-3291
NSN 6645-01-513-4782
NSN 6240-01-213-4905
NSN 5950-00-661-2612
NSN 6650-01-501-7061
NSN 5990-00-075-7508
NSN 5935-01-003-9683
NSN 6610-00-110-9455
NSN 5975-01-319-6259
NSN 6240-01-375-3571
NSN 5985-00-959-7190
NSN 5835-01-584-1827