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 6320-01-029-4220
NSN 5930-01-570-5009
NSN 5975-01-529-4215
NSN 2925-01-011-2325
NSN 6650-01-217-0303
NSN 6130-01-076-3926
NSN 6320-01-145-9013
NSN 5855-01-535-7127
NSN 6150-01-414-6381
NSN 5905-00-461-3187
NSN 6220-01-651-1799
NSN 5925-00-840-5393