2990-01-218-2010 (5209252)
NSN 2990-01-218-2010 (NIIN 01-218-2010) is a spark exhaust arrester in Federal Supply Class 2990, Miscellaneous Engine Accessories, Nonaircraft — a device designed to prevent the escape of sparks from the exhaust of reciprocating internal combustion engines. Manufacturer part number 5209252 (Clark Equipment Co, CAGE 12603); also referenced as 21578 (Walker Mfg Co); 477 (De Koven Mfg Co).
Key specs: horizontal operating position; full characteristics table below. NIIN assigned October 1985; DEMIL A (none required); unit of issue EA (each), $65.69 gov standard price; ships at 2 lb / 0.4815 cu ft.