2920-00-238-8383 (593871)
NSN 2920-00-238-8383 (NIIN 00-238-8383) 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 593871 (Outboard Marine Corp, CAGE 80256); also referenced as WS506 (Federal Specifications Promulgated); M44C (General Motors LLC); J6J (Champion Aerospace LLC); A3X (Ford Motor Co Ford Parts And Service).
Key specs: 250 psi minimum and 255 psi maximum mean effective pressure; full characteristics table below. NIIN assigned April 1969; DEMIL A (none required); unit of issue EA (each), $7.46 gov standard price; export Schedule B 8511.10.0000; ships at 0.13 lb / 0.0046 cu ft. Supersedes 2920-00-900-2971 (1970).