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 6130-01-341-4583
NSN 5990-01-522-6096
NSN 6145-01-392-1305
NSN 5895-00-311-8969
NSN 5960-00-100-6045
NSN 5960-00-529-2704
NSN 6650-01-258-5871
NSN 5999-01-268-5217
NSN 4140-01-309-5961
NSN 5935-00-439-5312
NSN 7035-00-465-3298
NSN 5975-01-046-7108