Part Number: 139AJ883Q (National semiconductor) Part Number: 139AJ883QS (Nationl) Part Number: 139AJB (No description) Part Number: 139AJBLM (Ti) Part Number: 139AM (Servo altimeter, 0-50, 000 ft.) Part Number: 139AMFC2 (Altimeter,servoed) Part Number: 139AMPC (Servo altimeter, 0-50, 000 ft.) Part Number: 139AMPC2 (Altimeter,servoed) Part Number: 139AMPCF (No description) Part Number: 139AN2 (Area averaging temperature senso) Part Number: 139ANBDG (No description) Part Number: 139AS101 (Conn) Part Number: 139AS105 (Sleeve, swaging) Part Number: 139AS131 (Hardware)