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 5998-00-001-7605
NSN 5975-01-568-6280
NSN 6620-01-503-2667
NSN 5915-00-689-9603
NSN 7035-00-111-4389
NSN 5975-01-297-2366
NSN 5990-01-264-9759
NSN 5855-01-629-4002
NSN 5920-00-391-6252
NSN 6130-01-351-6829
NSN 2925-00-201-8247
NSN 6130-01-484-1157