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 6145-01-428-6677
NSN 6220-01-317-8822
NSN 6135-01-100-3593
NSN 6105-01-162-4484
NSN 6145-01-498-6499
NSN 6620-00-446-8048
NSN 5910-01-533-6777
NSN 5920-00-271-3217
NSN 5920-01-069-2992
NSN 6645-01-241-9483
NSN 6610-01-042-3954
NSN 5999-00-778-5133