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 2925-00-513-6644
NSN 5965-00-997-5764
NSN 5950-00-105-0945
NSN 5905-00-734-2221
NSN 5930-00-144-4994
NSN 5895-01-335-8408
NSN 5920-01-410-7740
NSN 5910-01-123-9446
NSN 5998-00-390-1502
NSN 6610-01-255-4544
NSN 6650-00-150-6885
NSN 6135-01-440-9412