The Rotor,engine Poppet Valve, cataloged under National Stock Number 2805-00-349-4702, is classified within Federal Supply Class 2805 (Gasoline Reciprocating Engines, Except Aircraft; and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Trw Inc Trw Intl Trade Government Sales Dept. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-00-349-4702 |
| Primary Part Number | VC297 |
| Item Name | Rotor,engine Poppet Valve |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | Trw Inc Trw Intl Trade Government Sales Dept |
| Status | ACTIVE |
| First Step Diameter | 1.058 INCHES NOMINAL IN |
| Second Step Length | 0.218 INCHES NOMINAL IN |
| Style Designator | POSITIVE TYPE-TAPERED BORE |
| Rotation Direction | CLOCKWISE AND COUNTERCLOCKWISE |
| Distance From End to Nearest Step | 0.072 INCHES NOMINAL IN |
| Second Step Diameter | 1.463 INCHES NOMINAL IN |
| First Step Length | 0.125 INCHES NOMINAL IN |
| Bore Diameter | 0.625 INCHES NOMINAL IN |
| Tapered Bore Included Angle in Deg | 14 DEG,30 MIN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| VC297 | Trw Inc Trw Intl Trade Government Sales Dept (USA) |
| Reference | Meaning |
|---|---|
| B5Q6550A | C/1 Advisory reference — outside the item-of-supply concept Ford Motor Company |
| B5Q6550A | 3/9 Design control — primary reference Ford Motor Co Ford Parts and Service Div Government Part Sales |
NSN 2805-00-349-4702 is a Rotor,engine Poppet Valve, manufactured by Trw Inc Trw Intl Trade Government Sales Dept, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-00-349-4702 has 1 manufacturer part number on file: VC297 (Trw Inc Trw Intl Trade Government Sales Dept).
Key specifications for VC297: Overall Height: 0.472 INCHES NOMINAL IN; First Step Diameter: 1.058 INCHES NOMINAL IN; Second Step Length: 0.218 INCHES NOMINAL IN; Style Designator: POSITIVE TYPE-TAPERED BORE. 9 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.