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 5915-00-644-5735
NSN 6645-00-108-6479
NSN 5915-01-336-8112
NSN 5915-01-456-2818
NSN 6150-01-385-0124
NSN 6220-00-003-6371
NSN 5945-00-766-5749
NSN 6135-00-542-6728
NSN 6110-00-608-0949
NSN 6135-01-202-8113
NSN 6240-01-469-9550
NSN 5945-01-649-3349