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 2925-01-300-6602
NSN 2925-01-341-7423
NSN 5996-01-046-6046
NSN 6135-01-061-1862
NSN 6110-01-557-2753
NSN 5960-01-394-3846
NSN 2925-01-014-0118
NSN 6220-00-647-3096
NSN 5930-01-452-6710
NSN 7035-01-396-1089
NSN 5925-00-163-3953
NSN 5999-01-250-1242