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 5985-00-295-3919
NSN 5935-00-447-6069
NSN 5996-01-181-7057
NSN 5960-01-541-5734
NSN 6150-00-914-1018
NSN 6130-00-841-7561
NSN 5935-01-200-3809
NSN 6105-01-225-4336
NSN 6320-01-215-1133
NSN 6685-01-330-7330
NSN 5895-01-601-2930
NSN 5975-00-494-0703