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 6150-01-634-0575
NSN 6220-01-357-0717
NSN 5965-00-144-2543
NSN 5975-01-317-2211
NSN 5945-01-316-4236
NSN 5990-00-195-9460
NSN 5996-01-569-4799
NSN 5996-01-249-5067
NSN 6145-00-655-2738
NSN 5915-01-397-9978
NSN 2925-01-085-0691
NSN 5920-00-088-4674