4910-00-255-1449 (MIL-L-20703)
NSN 4910-00-255-1449 (NIIN 00-255-1449) is an ignition timing light in Federal Supply Class 4910, Motor Vehicle Maintenance And Repair Shop Specialized Equipment — a neon lamp type indicator designed to show the interval of electrical impulses from the distributor or magneto to individual spark plugs of a gasoline engine. Manufacturer part number MIL-L-20703 (Military Specifications, CAGE 81349); also referenced as 7710 (Hydraulic Technology, Inc); M20703 (Military Specifications).
Key specs: 3 AC minimum and 4.5 AC maximum voltage in volts; full characteristics table below. NIIN assigned January 1963; DEMIL A (none required); unit of issue EA (each), $211.46 gov standard price; export Schedule B 8539.39.0000; ships at 4 lb / 0.125 cu ft. Supersedes 4910-00-512-9180 (1969).