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 5905-01-076-5158
NSN 6320-01-642-2615
NSN 5910-00-691-1513
NSN 6135-00-913-2062
NSN 2925-01-586-9280
NSN 5910-01-474-6466
NSN 6135-00-951-3426
NSN 6610-01-594-9614
NSN 5999-01-250-4220
NSN 2925-00-555-8836
NSN 6240-00-841-6367
NSN 5996-01-565-7374