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 6240-01-509-7416
NSN 6645-00-171-9639
NSN 6150-01-578-6786
NSN 5895-01-238-2654
NSN 5925-01-185-1390
NSN 6130-01-593-4673
NSN 6320-01-220-2264
NSN 5999-00-186-2447
NSN 5998-01-629-4792
NSN 5925-01-178-8962
NSN 5920-01-115-1739
NSN 6220-01-435-0198