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 5905-01-075-4586
NSN 5999-01-645-9440
NSN 6110-01-433-3225
NSN 5945-01-020-2706
NSN 6645-01-548-0218
NSN 5998-01-451-8849
NSN 5910-00-165-9333
NSN 5999-01-066-3705
NSN 6645-01-384-0628
NSN 6610-01-168-7943
NSN 5999-01-485-0239
NSN 4140-01-515-6179