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 6135-01-651-3210
NSN 6150-00-148-8515
NSN 5925-01-149-7378
NSN 5950-01-443-2153
NSN 6685-00-955-8269
NSN 5930-01-615-8031
NSN 7035-00-104-7613
NSN 5965-01-258-8735
NSN 5915-01-368-4578
NSN 6130-01-144-2062
NSN 5996-00-978-8906
NSN 5905-00-971-2139