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 6105-00-458-2987
NSN 5910-01-521-2872
NSN 5910-00-111-1725
NSN 5960-00-204-7506
NSN 5895-00-849-0672
NSN 6685-00-245-4550
NSN 5910-01-462-8300
NSN 5998-00-015-8070
NSN 6135-00-196-5267
NSN 6620-01-032-3937
NSN 6320-01-185-3857
NSN 5965-00-653-4782