The Valve,poppet,engine, cataloged under National Stock Number 2805-00-447-9114, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Eaton Corp Engine Components Div. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-00-447-9114 |
| Primary Part Number | 4477 |
| Item Name | Valve,poppet,engine |
| FSC / FSG | 2805 / 28 — No Item Name Available |
| Manufacturer | Eaton Corp Engine Components Div |
| Status | ACTIVE |
| Neck Radius | 0.2500 INCHES NOMINAL IN |
| Head Height | 0.1560 INCHES MINIMUM AND 0.1710 INCHES MAXIMUM IN |
| Distance From Groove to Stem End | 0.2450 INCHES NOMINAL IN |
| Stem Style | GROOVED |
| Metallic Hardness Rating and Location | 50.0 ROCKWELL C MINIMUM TIP |
| FSC Application Data | GASOLINE ENGINE |
| Stem Length | 3.7795 INCHES MINIMUM AND 3.8045 INCHES MAXIMUM IN |
| Groove Diameter | 0.2670 INCHES MINIMUM AND 0.2730 INCHES MAXIMUM IN |
| Outside Diameter | 1.1200 INCHES MINIMUM AND 1.1300 INCHES MAXIMUM IN |
| Chamfer Angle in Deg | 45.0 |
| Carbon Relief Groove | NOT INCLUDED |
| Stem Diameter | 0.3080 INCHES MINIMUM AND 0.3090 INCHES MAXIMUM IN |
| Head Style | FLAT |
| Seat Angle in Deg | 45.0 |
| Groove Width | 0.0950 INCHES MINIMUM AND 0.1050 INCHES MAXIMUM IN |
| Chamfer Length | 0.0312 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 2805-00-447-9114 is a Valve,poppet,engine, manufactured by Eaton Corp Engine Components Div, classified under FSC 2805 (No Item Name Available). Status: active.
NSN 2805-00-447-9114 has 3 cross-referenced part numbers: 4477 (Eaton Corp Engine Components Div), 4477 (Eaton Corp Spring Div), AE77N (Wisconsin Motors, Llc).
There are 8 known substitutes for 2805-00-447-9114: 4720-00-230-6529, 4820-00-699-0119, 5998-00-968-5513 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 4477: Neck Radius: 0.2500 INCHES NOMINAL IN; Head Height: 0.1560 INCHES MINIMUM AND 0.1710 INCHES MAXIMUM IN; Distance From Groove to Stem End: 0.2450 INCHES NOMINAL IN; Stem Style: GROOVED. 16 total characteristics are documented in the Federal Logistics Information System.