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 materials other than copper, iron or steel
NSN 5930-00-230-4420
NSN 5895-01-016-3240
NSN 5835-01-067-7770
NSN 6610-01-158-6540
NSN 6320-01-495-1244
NSN 6145-01-247-5434
NSN 6130-01-233-1616
NSN 5905-01-537-0402
NSN 5975-00-458-3038
NSN 5998-00-103-4996
NSN 5910-01-511-1599
NSN 5985-01-089-5320