Reference data, manual for type f420c system, dated 10 jan 1980, electric speed indicator company, inc., tel no. 216-251-2540
No other part numbers with same form, fit, and function found.
Classification: Surveying, hydrographic, oceanographic, hydrological or meteorological instruments and appliances, excluding compasses and rangefinders, nesoi
NSN 5999-00-296-9987
NSN 6135-01-297-5565
NSN 5960-00-912-9285
NSN 5925-01-407-3083
NSN 6110-01-104-4777
NSN 6685-01-072-7722
NSN 5996-01-454-4605
NSN 5996-00-488-5871
NSN 5975-01-168-7643
NSN 5905-01-645-1361
NSN 4140-00-117-9631
NSN 5999-01-091-9898