2920-00-293-5247 (1H4986)
NSN 2920-00-293-5247 (NIIN 00-293-5247) is a spark plug in Federal Supply Class 2920, Engine Electrical System Components, Nonaircraft — an item containing two or more electrodes across which an electric spark is discharged to ignite a fuel and air mixture. Manufacturer part number 1H4986 (Caterpillar Inc, CAGE 11083); also referenced as 54420 (John Deer Consumer Products Inc); 2246 (Fetzer'S, Inc.); 2247 (Allied-Signal IncAutolite Div); XEJ12 (Champion Aerospace LLC), plus 1 more in the reference table below.
Key specs: 10000 minimum and 20000 maximum DC resistance in ohms; 115 psi minimum and 116 psi maximum mean effective pressure; full characteristics table below. NIIN assigned January 1963; DEMIL A (none required); unit of issue EA (each), $5.20 gov standard price; export Schedule B 8511.10.0000; ships at 0.19 lb / 0.0069 cu ft. Supersedes 2920-00-023-4513 (1978), 2920-00-656-4403 (1976), 2920-00-391-5798 (1980) and 2 more.