A metallic outer shell designed for containing water for surrounding the manifold exhaust which helps cool the exhaust gases and also helps absorb sound. It has water port inlets and outlets.
NSN 6240-01-169-8223
NSN 6610-01-013-8922
NSN 5985-01-005-1734
NSN 6240-01-411-8851
NSN 5965-00-300-8055
NSN 5998-01-547-0299
NSN 6645-00-892-5750
NSN 6645-00-650-3405
NSN 5975-00-727-3678
NSN 7035-01-271-1643
NSN 5975-01-383-0422
NSN 5835-01-512-4834