A valve having an orifice in the poppet, disk, or the like, to permit restricted fluid flow when the valve is seated. It does not have a stem or provisions for pressure adjustments, and is similar to a valve, check with the exception of the orifice which permits fluid flow in more than one direction.
NSN 5920-01-105-0684
NSN 5920-00-336-2475
NSN 6320-01-206-1055
NSN 6135-01-528-6896
NSN 5835-00-659-0959
NSN 5990-01-008-2515
NSN 6130-01-642-4727
NSN 6150-01-579-3192
NSN 5895-01-534-5890
NSN 4140-01-041-5276
NSN 6645-01-633-1852
NSN 5975-01-467-6189