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 6650-01-491-6733
NSN 5905-01-043-7695
NSN 5965-01-462-8230
NSN 6240-00-840-8142
NSN 5999-01-038-3522
NSN 5950-01-197-8290
NSN 5920-01-191-6321
NSN 5996-01-330-4869
NSN 5996-01-137-2927
NSN 5990-01-095-8866
NSN 2925-01-463-0594
NSN 5960-00-455-0817