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 5920-00-515-3617
NSN 6620-01-192-6186
NSN 6220-01-510-1252
NSN 5930-00-381-3904
NSN 5965-01-369-8016
NSN 5985-01-264-4864
NSN 6620-01-584-9653
NSN 6620-00-838-6954
NSN 5975-00-134-5640
NSN 6685-01-188-5940
NSN 6145-00-198-5675
NSN 6645-00-099-6913