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 5960-01-086-6736
NSN 5945-01-240-0337
NSN 5905-00-940-8714
NSN 5975-00-098-5464
NSN 6685-00-869-0584
NSN 5950-00-812-0292
NSN 5999-01-194-4496
NSN 6135-01-231-4809
NSN 5960-00-111-8456
NSN 5998-01-593-9473
NSN 5950-01-487-3750
NSN 5965-00-280-4182