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 6150-01-228-3800
NSN 4140-00-406-2092
NSN 6150-00-923-7742
NSN 5998-00-042-9690
NSN 5910-00-630-8041
NSN 5975-01-215-1205
NSN 5945-01-031-0129
NSN 5925-01-490-2649
NSN 5975-01-124-5053
NSN 6620-01-633-8443
NSN 6105-01-259-6879
NSN 5915-01-472-8374