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 6620-00-555-3992
NSN 6240-01-321-7351
NSN 5960-00-401-0794
NSN 5935-00-189-8382
NSN 6240-01-624-7173
NSN 5965-01-148-4979
NSN 5985-00-929-6174
NSN 6105-00-643-4975
NSN 5905-00-526-0753
NSN 6110-00-840-6560
NSN 6620-01-606-7347
NSN 5975-00-144-3195