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 5920-01-468-8452
NSN 5996-00-205-2933
NSN 5950-00-233-6487
NSN 5920-01-255-8851
NSN 5985-01-314-1583
NSN 5895-00-596-8678
NSN 5925-01-115-0209
NSN 7035-01-042-5308
NSN 5975-01-300-0761
NSN 6610-01-408-1134
NSN 5998-01-222-6641
NSN 5835-01-276-1201