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 5910-01-181-1577
NSN 6620-01-147-0441
NSN 5998-01-577-8553
NSN 5985-01-262-0441
NSN 5965-00-775-6496
NSN 5945-01-537-6663
NSN 5996-01-428-9436
NSN 6645-00-279-1777
NSN 7035-00-104-7613
NSN 5910-01-268-2929
NSN 5950-01-419-2850
NSN 6110-01-377-6557