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 4140-00-555-3251
NSN 5935-01-300-8859
NSN 6240-00-756-5149
NSN 2925-01-394-9658
NSN 5925-00-932-6947
NSN 6620-01-462-5196
NSN 5905-01-134-3956
NSN 5999-00-115-8357
NSN 5985-01-010-3853
NSN 5895-00-935-6168
NSN 5905-00-400-6040
NSN 6110-00-723-6341