Metering Jet (A-65). 07-00685. $15.50. Quantity ; Stromberg NAS3A1 Overhaul/Parts Manual. 07-02400. $13.50. QuantityCourtesy of Bomar Flying Service bomar.biz. Stromberg Carburetor NA-S3A1. Page 2. Page 3. Page 4. Page 5. Page 6. Page 7. Page 8. Supplement to Handbook Overhaul Instructions, Float. Carburetor Model NA-S3A1 dated 15 December 1963. Illustrated Parts Breakdown, Float Carburetor Model. CARBURETOR-STROMBERG. NAS3A1. SERVICE INSTRUCTIONS a. Installation. (1) The carburetor should be so mounted on the engine that the float chamber is at the Installation; Starting; Adjustment; Servicing; Description and Functioning of Carburetors; Exploded View of Stromberg NA-S3A I Series Carburetor; Parts List