Fmc corporation sweeper model 74
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 2925-01-179-2648
NSN 6645-01-076-9310
NSN 6685-01-267-0891
NSN 5965-01-155-8766
NSN 5935-01-373-3759
NSN 5945-01-466-0433
NSN 5920-01-324-3743
NSN 5910-01-565-7080
NSN 4140-00-155-8012
NSN 5935-00-185-8938
NSN 6105-00-470-8466
NSN 5945-01-403-2800