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 steel
NSN 6650-01-629-9480
NSN 5935-00-488-7275
NSN 5905-00-150-1312
NSN 6650-01-591-8574
NSN 5855-01-425-1330
NSN 5999-01-415-0265
NSN 7035-01-082-0311
NSN 5965-00-899-0453
NSN 6685-00-944-0094
NSN 6240-01-446-3173
NSN 5925-01-015-4493
NSN 5975-01-487-0102