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 6145-01-153-1413
NSN 2925-01-027-1293
NSN 5925-01-125-5795
NSN 4140-00-518-2429
NSN 6610-01-576-8955
NSN 5985-01-607-6554
NSN 5920-01-393-2304
NSN 5965-01-500-1840
NSN 5910-01-433-6890
NSN 5920-00-265-6222
NSN 6650-01-383-4526
NSN 5975-01-465-5377