The main drive chain which connects the clutch assembly sprocket to the top drive sprocket is a standard no. 50 roller chain.
A toothed wheel whose teeth or sprockets are designed to be engaged with the links of a pitch chain, track, or the like. It is usually used for transmitting power.
Classification: Chain sprockets and parts thereof
NSN 6145-00-130-8078
NSN 5990-01-443-2931
NSN 6145-00-402-0414
NSN 5920-00-372-5864
NSN 6685-00-753-2896
NSN 5895-01-322-7687
NSN 5920-00-534-9801
NSN 5999-01-362-1947
NSN 6105-01-014-9251
NSN 5999-00-932-4588
NSN 6650-01-181-6037
NSN 5985-01-321-4403