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 5835-00-315-3797
NSN 5915-00-689-3654
NSN 6685-01-590-8055
NSN 6620-00-313-2018
NSN 6645-00-967-3429
NSN 7035-00-500-7839
NSN 5855-01-650-9545
NSN 5925-00-682-4096
NSN 6240-00-805-0955
NSN 5999-01-381-3327
NSN 5905-00-572-9531
NSN 5998-00-578-8582