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 5835-01-201-7363
NSN 5910-01-083-1209
NSN 5835-01-219-0586
NSN 6135-00-735-8530
NSN 5835-01-597-4820
NSN 6645-00-287-9192
NSN 5998-00-804-2257
NSN 6150-01-622-0558
NSN 6110-01-502-5617
NSN 5985-01-312-5855
NSN 6145-00-239-2143
NSN 5996-01-202-9338