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 6320-01-064-0372
NSN 5990-00-428-1895
NSN 4140-01-497-2716
NSN 5920-01-383-7003
NSN 5920-01-010-4855
NSN 5855-00-013-1244
NSN 4140-01-505-7696
NSN 6620-01-168-8450
NSN 6110-00-168-8683
NSN 5920-00-063-0532
NSN 5975-01-604-9430
NSN 5905-01-311-5472