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 6240-00-179-2738
NSN 5998-01-043-7035
NSN 5855-01-499-4139
NSN 6135-01-255-9129
NSN 6320-01-152-8873
NSN 6105-01-386-6232
NSN 5975-01-535-4533
NSN 5895-01-551-1462
NSN 5930-00-660-6774
NSN 5990-01-421-5342
NSN 5930-01-531-4747
NSN 5985-01-501-9757