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 4140-00-862-5644
NSN 6220-00-252-8025
NSN 5975-01-396-3374
NSN 6145-01-547-2659
NSN 6130-00-081-2186
NSN 5975-01-168-7643
NSN 5905-00-015-7431
NSN 5915-01-092-1181
NSN 5996-01-155-2467
NSN 6135-00-097-8162
NSN 6145-01-476-4056
NSN 5975-00-762-8051