Maintains constant chain tension on main drive chain
NSN 5895-00-854-8637
NSN 5965-01-631-5181
NSN 5945-01-410-6804
NSN 5910-01-193-8951
NSN 5996-01-501-4462
NSN 6610-00-254-9810
NSN 5996-01-137-2927
NSN 5920-01-565-6949
NSN 5905-01-230-9642
NSN 5915-00-446-4143
NSN 2925-01-049-8906
NSN 5950-00-833-4608