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 5975-01-512-0068
NSN 6650-00-191-9000
NSN 6320-01-393-7022
NSN 5960-00-137-7692
NSN 5950-00-432-9415
NSN 6610-01-095-9262
NSN 6220-01-159-0442
NSN 6240-01-026-0032
NSN 6240-01-401-5340
NSN 5920-00-291-1379
NSN 6320-01-544-6447
NSN 5960-00-910-3690