2920-00-248-8815 (50331E)
NSN 2920-00-248-8815 (NIIN 00-248-8815) 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 50331E (Dresser, LLC, CAGE 64104); also referenced as WS506 (Federal Specifications Promulgated); 14L, 16L (General Motors LLC); 50922 (Dresser, LLC); DL8, DL8C (Champion Aerospace LLC).
Key specs: 95 psi nominal mean effective pressure; full characteristics table below. NIIN assigned January 1963; DEMIL A (none required); export Schedule B 8511.10.0000.