A pulley with grooves and pockets shaped to accommodate the links of a load chain. There is a positive connection between the item and the chain.
NSN 5855-00-281-3843
NSN 6150-01-198-5632
NSN 5985-01-632-1073
NSN 6145-00-946-2033
NSN 5835-01-508-2528
NSN 6620-01-363-4792
NSN 5910-00-155-0327
NSN 5925-00-713-2646
NSN 5945-01-588-0227
NSN 5996-00-249-1104
NSN 6645-00-567-4562
NSN 5965-01-497-0936