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 6145-00-519-1648
NSN 2925-00-468-5273
NSN 6110-00-873-3198
NSN 5895-01-585-3338
NSN 6150-01-305-0444
NSN 6645-00-106-0140
NSN 6130-01-379-1702
NSN 6135-01-100-3593
NSN 6150-01-097-3740
NSN 5975-01-118-8883
NSN 5990-01-014-1280
NSN 5950-01-643-9278