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 5910-00-398-0930
NSN 2925-01-397-2495
NSN 5990-01-385-6634
NSN 4140-00-449-1356
NSN 7035-01-361-8821
NSN 6650-01-265-2672
NSN 5985-01-287-9365
NSN 5999-00-226-2001
NSN 6105-01-447-2984
NSN 6685-00-077-2731
NSN 5996-01-348-9844
NSN 5905-01-563-2247