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.
Classification: Check valves of steel
NSN 6145-00-568-8030
NSN 5985-01-221-9128
NSN 6105-01-592-7595
NSN 5960-01-109-0768
NSN 5985-01-449-4615
NSN 6240-00-193-8573
NSN 5998-01-150-3457
NSN 5945-01-462-5234
NSN 2925-00-110-7975
NSN 6320-01-414-9801
NSN 5960-01-495-0859
NSN 5925-01-350-3646