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 6130-00-041-0518
NSN 6645-01-409-2003
NSN 5960-00-005-2424
NSN 5998-00-556-2122
NSN 6320-01-629-1277
NSN 6145-00-209-5657
NSN 5895-01-383-1369
NSN 5935-01-544-4863
NSN 5998-01-206-5345
NSN 6145-01-430-2784
NSN 6220-01-237-6776
NSN 7035-01-139-5707