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 6645-01-462-2101
NSN 5920-01-152-6062
NSN 6105-00-583-9958
NSN 6650-01-558-3562
NSN 5915-00-192-3109
NSN 5945-00-435-6624
NSN 5905-01-321-8886
NSN 5905-00-815-3808
NSN 5998-01-440-7266
NSN 5910-01-168-0709
NSN 5855-00-631-4565
NSN 6220-01-027-1294