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 5950-00-931-4079
NSN 5960-00-472-9435
NSN 5835-01-632-6627
NSN 5905-00-600-8138
NSN 5975-00-544-4214
NSN 5996-01-013-6177
NSN 6320-00-116-3658
NSN 5920-00-823-0969
NSN 6110-00-410-2576
NSN 5925-01-650-1219
NSN 6110-00-964-3514
NSN 5990-01-482-5950