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 materials other than copper, iron or steel
NSN 6130-01-565-4057
NSN 5945-00-940-9206
NSN 6650-00-838-8632
NSN 6320-01-150-5378
NSN 5998-00-930-4467
NSN 5990-00-629-2794
NSN 5998-00-471-8677
NSN 6105-00-553-1941
NSN 5920-01-193-8513
NSN 5925-01-476-2798
NSN 5960-01-381-2478
NSN 6130-01-437-6682