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 6110-01-252-8516
NSN 5925-00-781-4365
NSN 5910-01-574-2807
NSN 6220-01-056-5169
NSN 5990-01-530-8452
NSN 6620-01-371-5040
NSN 4140-01-617-4488
NSN 6645-00-353-6659
NSN 5905-00-962-0538
NSN 5835-00-378-1429
NSN 5950-01-587-0910
NSN 6645-01-085-2885