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 6150-01-341-9589
NSN 6240-01-187-7758
NSN 5855-01-311-6666
NSN 6645-01-045-4088
NSN 5905-00-270-7826
NSN 5999-01-227-2526
NSN 5965-00-153-5216
NSN 5975-01-528-5851
NSN 6240-00-423-9575
NSN 6240-00-416-6140
NSN 5915-00-903-3595
NSN 6145-01-088-7999