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 6610-01-246-5881
NSN 5996-01-604-7380
NSN 6130-01-090-9761
NSN 5998-01-337-6815
NSN 6240-01-461-8193
NSN 6685-01-413-3211
NSN 5905-00-261-7698
NSN 2925-01-440-9912
NSN 6645-01-391-9820
NSN 5910-01-385-2479
NSN 5965-00-810-2204
NSN 5996-01-236-6936