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 5925-01-332-4409
NSN 6130-00-155-5873
NSN 5855-01-424-2769
NSN 6645-01-651-9562
NSN 6620-00-221-6639
NSN 7035-01-294-2688
NSN 6620-01-454-5717
NSN 6130-01-053-0830
NSN 6620-01-364-0195
NSN 5996-01-431-2297
NSN 5975-01-576-9733
NSN 5905-00-112-7410