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 5965-01-538-8795
NSN 2925-00-546-3129
NSN 6135-01-617-0253
NSN 6240-01-004-3464
NSN 5945-00-801-1659
NSN 6620-00-936-3463
NSN 5960-01-544-1273
NSN 5920-01-549-1289
NSN 5930-01-208-7856
NSN 6320-00-284-1524
NSN 6620-00-513-0738
NSN 5855-01-327-6678