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.
NSN 5998-01-188-0279
NSN 6685-01-468-5787
NSN 6650-00-736-4279
NSN 5835-01-161-7461
NSN 5915-01-148-1204
NSN 5999-00-233-6366
NSN 2925-01-545-2717
NSN 6685-00-761-2534
NSN 2925-00-041-0439
NSN 5855-01-072-0410
NSN 5920-01-575-5594
NSN 6145-01-453-6172