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 6685-01-525-7586
NSN 5998-00-513-1596
NSN 6650-01-624-0818
NSN 5905-00-244-1663
NSN 5935-01-484-2628
NSN 5925-00-262-6087
NSN 6135-01-213-7339
NSN 5965-00-035-4556
NSN 5950-01-499-1732
NSN 6145-01-102-4660
NSN 5985-01-313-7839
NSN 5998-00-149-1837