A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.
NSN 5996-01-654-7645
NSN 7035-01-240-9732
NSN 6645-01-335-3299
NSN 6240-01-005-3456
NSN 6105-01-535-5809
NSN 5925-01-440-6388
NSN 5930-01-177-2330
NSN 5835-00-811-4554
NSN 5920-01-386-5798
NSN 5998-00-086-1652
NSN 5930-00-864-5468
NSN 6650-00-809-1817