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 5999-01-597-4880
NSN 5905-00-150-5705
NSN 7035-01-287-9817
NSN 5990-01-563-1554
NSN 6130-01-566-8790
NSN 5950-01-243-7471
NSN 5910-00-591-4261
NSN 6130-01-316-6457
NSN 5998-00-249-2872
NSN 5945-01-361-9116
NSN 6105-01-634-0322
NSN 5915-00-391-5735