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 5920-01-500-9333
NSN 6130-01-009-0134
NSN 6610-01-299-7171
NSN 5975-01-481-0489
NSN 5925-01-070-3872
NSN 5999-01-605-8317
NSN 6650-00-059-6268
NSN 5960-01-245-6088
NSN 5950-01-078-4137
NSN 5910-01-067-0877
NSN 6105-01-498-9759
NSN 5905-01-069-9999