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 5835-01-241-1090
NSN 5905-00-528-9975
NSN 6110-01-440-6104
NSN 6685-01-557-4146
NSN 5965-01-571-9997
NSN 5990-01-287-9447
NSN 5925-01-063-1766
NSN 6320-00-636-0922
NSN 5965-01-063-7894
NSN 6610-01-005-1190
NSN 6320-01-399-6177
NSN 6620-00-212-6921