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 5975-00-539-7300
NSN 5998-01-327-8406
NSN 5895-00-519-0202
NSN 6145-00-797-3454
NSN 6620-01-519-2628
NSN 5925-01-599-9561
NSN 5950-01-525-8127
NSN 5835-00-770-2843
NSN 5998-00-230-9662
NSN 6220-01-508-6807
NSN 6150-00-647-3285
NSN 6240-01-160-7934