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 6610-01-615-3050
NSN 6145-00-931-2437
NSN 6130-01-337-0194
NSN 6130-01-017-3783
NSN 5925-00-244-4410
NSN 5950-01-237-7401
NSN 5935-00-345-1676
NSN 5990-00-513-5328
NSN 5905-01-277-5382
NSN 4140-00-036-6447
NSN 6685-01-320-6387
NSN 5999-01-465-5181