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 6685-00-930-9257
NSN 5835-01-407-5260
NSN 6105-00-496-5761
NSN 5910-00-069-9969
NSN 6320-01-397-0399
NSN 6135-01-633-8502
NSN 6135-00-299-6918
NSN 5920-01-358-5970
NSN 5915-00-690-9801
NSN 5945-01-122-3914
NSN 4140-00-944-7318
NSN 6145-00-960-7318