2805-00-271-9554 (MH5000-100A5)
NSN 2805-00-271-9554 (NIIN 00-271-9554) is an engine poppet valve in Federal Supply Class 2805, Gasoline Reciprocating Engines, Except Aircraft; And Components — a mushroom or tulip-shaped item having a circular head with a conical face and an extended stem used to regulate the flow of incoming fuel-air mixture or air. Manufacturer part number MH5000-100A5 (Mancraft Industries Inc, CAGE 54764); also referenced as AE76N (Wisconsin Motors, LLC); D-2069 (Dana Corp Spicer Transmission Div); AS-2068, S-2068, S-2635 (Trw IncTrw Intl Trade Government); 4428 (Eaton Corporation), plus 7 more in the reference table below.
Key specs: 50 minimum shore scleroscope tip metallic hardness; full characteristics table below. NIIN assigned January 1963; DEMIL A (none required); export Schedule B 8409.91.8000. Supersedes 2805-00-028-1553 (1977).