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 5925-00-906-3157
NSN 2925-00-441-8252
NSN 6220-00-391-1076
NSN 6685-00-922-1606
NSN 5925-00-081-5727
NSN 6240-00-872-3365
NSN 5905-00-871-7755
NSN 5915-01-315-9912
NSN 7035-01-610-6073
NSN 5895-01-573-9383
NSN 6220-00-279-1508
NSN 6620-00-902-5090