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 2925-01-509-3465
NSN 6650-01-611-7886
NSN 6320-01-609-9763
NSN 6320-01-313-2709
NSN 6620-01-078-6372
NSN 5996-00-642-7606
NSN 5855-01-425-1330
NSN 6220-00-456-2911
NSN 5996-01-447-4276
NSN 4140-00-203-9832
NSN 5998-01-442-9817
NSN 6130-00-153-3136