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 5998-00-318-5739
NSN 5905-01-089-9757
NSN 6130-01-313-4798
NSN 5945-01-046-2806
NSN 6320-00-261-9136
NSN 6130-01-215-3688
NSN 6320-00-036-3688
NSN 5985-01-512-5546
NSN 6220-01-165-3635
NSN 5925-00-100-5760
NSN 6105-01-152-2800
NSN 5975-01-049-7113