Part Number: 1401-B4 (Airspeed indicator) Part Number: 1401BB (New stock) Part Number: 1401BB1394 (In stock) Part Number: 1401C (Hammond manufacturing) Part Number: 1401C6-24 (Nut) Part Number: 140-1CL (Bearing) Part Number: 140-1COT (Bearing) Part Number: 1401D (Seal) Part Number: 1401D6-24 (Parts kit) Part Number: 140-1DOL (Bearing) Part Number: 1401E (Retainer) Part Number: 1401E16 (Receiver transmitter radio rt 79) Part Number: 1401F (No description) Part Number: 1401F-4S (Socket crimp-industrial)