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 5985-00-554-4599
NSN 5925-00-636-5683
NSN 5996-01-242-1661
NSN 5920-01-437-5916
NSN 4140-01-196-0501
NSN 6135-01-367-6203
NSN 5945-00-433-0294
NSN 5910-00-142-6984
NSN 5895-00-244-2744
NSN 6220-00-266-8222
NSN 5925-01-515-7605
NSN 6320-00-116-3658