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 6150-01-655-3463
NSN 5965-01-316-4429
NSN 6610-01-200-6861
NSN 5975-01-326-0808
NSN 6240-00-710-2742
NSN 6145-01-253-0121
NSN 5910-01-613-8842
NSN 5965-01-116-1886
NSN 2925-01-424-0235
NSN 5945-01-654-7927
NSN 5999-00-816-9670
NSN 5920-01-321-0770