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 5996-01-461-1980
NSN 5915-00-244-1702
NSN 5999-01-079-7198
NSN 6645-01-445-5235
NSN 6135-00-519-1325
NSN 6135-01-035-1871
NSN 5855-00-357-1158
NSN 6145-01-430-7211
NSN 6220-01-600-2860
NSN 5855-01-624-7115
NSN 5998-01-033-5879
NSN 6130-01-088-8762