2805-00-392-4714 (WAVG1708)
NSN 2805-00-392-4714 (NIIN 00-392-4714) is an engine valve seat insert in Federal Supply Class 2805, Gasoline Reciprocating Engines, Except Aircraft; And Components — a metal ring designed to provide a seating surface for a valve, poppet. Manufacturer part number WAVG1708 (Wausau Plant- Machining Div Muskegon, CAGE 79229); also referenced as 220218B (Hobart Bros Co); 220222B (Brinkley Technology Group LLC); K06A (Trw IncTrw Intl Trade Government).
Key specs: 37 rockwell c minimum body hardness; 48 rockwell c maximum face hardness; full characteristics table below. NIIN assigned January 1963; DEMIL A (none required); export Schedule B 8481.90.9090.