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 6685-00-008-3349
NSN 6105-01-516-6017
NSN 5985-01-233-4013
NSN 6320-00-894-1644
NSN 6320-01-029-4220
NSN 5925-01-501-6074
NSN 5965-00-064-8209
NSN 5960-00-455-0817
NSN 6150-01-539-4172
NSN 6220-00-296-4101
NSN 6685-01-132-6693
NSN 5905-01-478-5683