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 6685-00-010-3053
NSN 7035-01-518-2807
NSN 5855-01-236-9645
NSN 6145-00-927-3187
NSN 4140-00-019-7760
NSN 5905-00-519-0582
NSN 5960-01-458-6484
NSN 6150-01-576-8725
NSN 6645-00-464-6375
NSN 5975-01-340-5774
NSN 5998-00-961-0773
NSN 5950-01-310-7713