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 5925-01-131-2272
NSN 5930-00-952-6766
NSN 5855-00-943-3894
NSN 6610-01-369-9978
NSN 6620-00-021-2246
NSN 5935-00-981-0986
NSN 5915-01-272-0867
NSN 4140-01-394-3268
NSN 5965-01-238-3900
NSN 5990-01-390-2177
NSN 5985-01-325-6191
NSN 5905-01-629-7115