Hub has small recessed groove for chain clearance
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 5999-01-210-6449
NSN 6135-01-476-4697
NSN 6685-01-467-2718
NSN 5985-00-163-9180
NSN 6145-00-201-1330
NSN 6150-01-206-4944
NSN 5960-01-558-7787
NSN 5910-01-507-4878
NSN 6145-00-830-8210
NSN 6135-00-635-9187
NSN 5935-00-887-4149
NSN 6150-01-571-4412