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 6130-00-121-4725
NSN 6145-00-954-3588
NSN 2925-01-093-5479
NSN 6320-00-456-0836
NSN 5975-01-512-2288
NSN 5895-01-375-1619
NSN 6145-01-212-4359
NSN 5920-01-143-5002
NSN 4140-01-325-1436
NSN 7035-01-253-7253
NSN 5975-00-565-1071
NSN 6145-01-417-2988