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 5996-00-158-8738
NSN 6645-01-476-8013
NSN 5975-00-333-9866
NSN 5975-00-061-5668
NSN 6650-01-569-6358
NSN 5935-01-443-5067
NSN 6150-00-233-6356
NSN 5945-01-653-7070
NSN 6610-01-025-4718
NSN 7035-00-849-5526
NSN 6685-01-480-6030
NSN 6220-01-255-0258