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 6610-01-108-7780
NSN 5920-01-470-5835
NSN 5990-00-466-2952
NSN 6620-01-152-0936
NSN 5945-01-355-7020
NSN 5925-01-145-5484
NSN 6220-01-049-6050
NSN 5965-01-243-3307
NSN 7035-01-107-2811
NSN 6110-01-213-3246
NSN 7035-00-445-9657
NSN 6110-01-116-8741