An item designed to monitor engine vacuum to feather the choke opening in response to engine requirements, preventing stalls and hesitation from over-choking.
NSN 5895-01-467-5156
NSN 5998-01-497-3233
NSN 5835-01-177-1092
NSN 6620-00-329-0632
NSN 2925-00-918-0859
NSN 5990-00-223-3258
NSN 6650-01-313-9752
NSN 5925-01-178-5210
NSN 5950-01-348-8965
NSN 5960-01-276-7836
NSN 5920-01-462-4302
NSN 5910-01-581-6248