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 5905-01-479-8811
NSN 5965-00-992-8942
NSN 6610-01-327-3187
NSN 6220-00-179-4946
NSN 6685-01-006-5299
NSN 5960-00-615-0809
NSN 6145-00-187-6405
NSN 6130-01-550-9056
NSN 5835-01-167-1824
NSN 6645-01-653-2848
NSN 6135-01-222-0703
NSN 4140-01-246-7041