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 5910-01-629-8034
NSN 6110-00-796-4534
NSN 6645-01-196-6277
NSN 5930-01-264-0018
NSN 6110-00-418-2935
NSN 5985-00-720-8021
NSN 5985-01-515-4297
NSN 5950-01-080-4812
NSN 6240-01-633-9357
NSN 4140-00-823-4438
NSN 5855-01-222-6065
NSN 6130-01-358-6814