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 6645-00-073-9949
NSN 5965-01-262-1722
NSN 5975-01-143-5358
NSN 6240-01-332-2701
NSN 6320-01-292-2232
NSN 6135-01-650-9371
NSN 5960-00-521-2560
NSN 5915-00-132-5531
NSN 6105-01-500-4242
NSN 6145-00-936-0083
NSN 5835-01-141-8823
NSN 5925-00-452-1270