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 5910-00-020-3401
NSN 5935-01-444-4153
NSN 6240-01-556-7096
NSN 5975-01-252-6515
NSN 5996-01-069-8576
NSN 6650-01-069-2501
NSN 5945-01-415-2842
NSN 6620-01-087-4361
NSN 5895-01-430-2555
NSN 5895-01-556-9371
NSN 6610-01-580-6811
NSN 5950-01-332-0958