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 6110-01-036-9929
NSN 5960-01-051-9405
NSN 5905-01-542-9870
NSN 6650-01-347-2291
NSN 6220-01-451-7083
NSN 5920-01-329-1113
NSN 5895-00-188-6798
NSN 5925-00-999-9320
NSN 5895-00-575-8827
NSN 6130-00-065-2345
NSN 5990-01-301-8394
NSN 6220-01-351-6686