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 5996-01-020-5759
NSN 5920-01-374-2093
NSN 6105-01-645-6179
NSN 6220-01-555-8332
NSN 2925-01-658-4470
NSN 5999-00-150-4739
NSN 5965-01-656-0566
NSN 5998-01-227-3048
NSN 6150-00-998-0431
NSN 6145-00-171-3152
NSN 6150-01-084-2118
NSN 5935-01-447-3995