The wheel in a torque converter (as modified) that is designed to receive the kinetic energy of a liquid.
NSN 5985-01-238-1987
NSN 5999-00-233-5060
NSN 6110-01-438-6375
NSN 6220-01-556-3998
NSN 5925-01-574-1580
NSN 6645-01-300-9485
NSN 6650-01-124-4314
NSN 5915-01-124-9347
NSN 5905-01-441-9534
NSN 5996-01-574-0898
NSN 6145-01-074-6547
NSN 5905-01-351-3214