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 6645-01-559-0902
NSN 5950-01-519-4800
NSN 5855-00-962-5792
NSN 5998-01-159-4483
NSN 6135-00-519-1325
NSN 5935-01-453-4006
NSN 6110-01-507-9307
NSN 5935-01-285-8082
NSN 6150-01-259-4633
NSN 5910-01-627-7970
NSN 5985-00-421-9856
NSN 5895-01-655-9427