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 5975-00-436-0620
NSN 5965-01-371-1297
NSN 6610-01-202-1373
NSN 5990-01-287-1682
NSN 5930-00-689-4597
NSN 6240-01-337-2509
NSN 6240-00-281-8417
NSN 6145-01-463-9683
NSN 6110-01-462-0214
NSN 5910-00-874-6889
NSN 6645-01-195-3329
NSN 6320-01-160-7757