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 5999-00-462-8762
NSN 5945-00-758-5228
NSN 5925-01-522-7577
NSN 5910-01-091-4559
NSN 5985-01-621-3201
NSN 6320-00-539-9283
NSN 6135-00-449-9775
NSN 6145-00-679-6470
NSN 5855-01-425-6340
NSN 2925-01-221-9398
NSN 5895-01-211-0855
NSN 6240-01-206-4809