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 5915-01-222-8199
NSN 6110-00-463-6158
NSN 5920-01-118-0309
NSN 6105-01-225-7617
NSN 5945-00-517-7184
NSN 4140-01-230-5379
NSN 5915-01-227-2337
NSN 6645-01-577-5891
NSN 5925-00-729-4096
NSN 6620-01-431-9176
NSN 6135-01-377-5729
NSN 6240-01-259-4265