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 6130-01-503-0277
NSN 6645-00-162-2092
NSN 6650-01-524-4589
NSN 4140-01-058-6603
NSN 4140-01-433-1192
NSN 5999-00-278-5563
NSN 4140-01-417-8070
NSN 5905-01-363-9891
NSN 5960-00-104-5955
NSN 6150-01-271-0217
NSN 5935-00-214-9418
NSN 6645-00-153-3834