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 6105-00-422-4098
NSN 5996-01-476-2131
NSN 2925-01-218-5556
NSN 5895-01-212-5639
NSN 5990-01-419-0661
NSN 5910-01-539-9571
NSN 5950-01-548-4084
NSN 5935-01-222-2902
NSN 5935-00-469-3711
NSN 5996-01-133-8211
NSN 6110-01-295-6639
NSN 5930-01-135-7040