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 6135-00-548-2765
NSN 5990-01-512-9129
NSN 5998-01-576-6547
NSN 6130-00-406-9465
NSN 5895-01-222-7259
NSN 5855-01-464-3152
NSN 6610-00-442-1537
NSN 6150-00-071-4484
NSN 5930-01-468-0148
NSN 6645-00-720-3953
NSN 6130-00-455-2423
NSN 5950-00-267-4170