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 6620-01-036-6687
NSN 2925-01-453-1606
NSN 6110-00-759-2562
NSN 5975-00-759-0228
NSN 6145-01-226-7594
NSN 6320-01-443-8676
NSN 5920-00-087-6332
NSN 7035-00-064-7008
NSN 5985-01-569-5437
NSN 5930-01-436-6735
NSN 5950-01-649-1289
NSN 6645-01-056-3417