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 5975-01-499-5912
NSN 5930-01-388-9750
NSN 5905-01-512-0507
NSN 6650-01-555-8819
NSN 5925-00-594-0840
NSN 5996-01-423-8267
NSN 5985-01-287-6228
NSN 5999-01-530-8496
NSN 5990-01-582-1977
NSN 5855-01-555-3354
NSN 7035-01-027-8569
NSN 5945-00-126-7162