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 6320-01-176-8367
NSN 6620-01-627-0478
NSN 5985-00-542-3996
NSN 5960-00-401-0794
NSN 6150-00-405-6278
NSN 2925-00-915-1827
NSN 2925-01-658-9457
NSN 6145-00-426-5124
NSN 6320-01-558-8844
NSN 4140-00-690-5288
NSN 5925-01-421-2452
NSN 2925-01-446-6976