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 6620-01-310-2103
NSN 5965-00-682-3567
NSN 7035-01-261-9850
NSN 6110-01-029-5127
NSN 5920-01-428-6983
NSN 6610-01-469-2408
NSN 5985-01-164-4199
NSN 6220-00-371-7589
NSN 2925-01-103-9419
NSN 5990-01-272-4091
NSN 5996-01-119-9285
NSN 5998-01-175-5617