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 5990-01-541-5632
NSN 5960-01-507-9112
NSN 6650-00-994-1802
NSN 6135-01-231-4809
NSN 6685-01-188-1604
NSN 5925-01-371-2876
NSN 5999-01-348-3529
NSN 6240-01-233-9544
NSN 6135-01-505-9332
NSN 5920-00-071-9241
NSN 5975-00-134-0401
NSN 6110-00-436-9244