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 5975-00-185-0804
NSN 5950-00-553-7355
NSN 6320-01-561-7179
NSN 6135-00-295-2614
NSN 6135-01-052-9634
NSN 5835-01-126-2480
NSN 6650-01-642-9995
NSN 6650-01-281-4651
NSN 6150-01-562-8118
NSN 6240-00-400-7980
NSN 5855-01-248-5725
NSN 5920-00-040-2923