The Valve,poppet,engine, cataloged under National Stock Number 2805-00-657-4826, 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 17 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-00-657-4826 |
| Primary Part Number | V2298XS |
| Item Name | Valve,poppet,engine |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | Trw Inc Trw Intl Trade Government Sales Dept |
| Status | ACTIVE |
| Stem Diameter | 0.4349 INCHES MINIMUM AND 0.4358 INCHES MAXIMUM IN |
| FSC Application Data | GASOLINE ENGINE |
| Head Height | 0.2000 INCHES NOMINAL IN |
| Stem Length | 5.6390 INCHES NOMINAL IN |
| Seat Angle in Deg | 45.0 |
| Chamfer Length | 0.0200 INCHES NOMINAL IN |
| Neck Radius | 0.3800 INCHES NOMINAL IN |
| Groove Diameter | 0.3660 INCHES NOMINAL IN |
| Metallic Hardness Rating and Location | 20.0 ROCKWELL C NOMINAL STEM |
| Metallic Hardness Rating and Location | 43.0 ROCKWELL C NOMINAL HEAD |
| Distance From Groove to Stem End | 0.1590 INCHES NOMINAL IN |
| Outside Diameter | 2.0150 INCHES MINIMUM AND 2.0250 INCHES MAXIMUM IN |
| Stem Style | GROOVED |
| Head Style | FLAT |
| Carbon Relief Groove | NOT INCLUDED |
| Chamfer Angle in Deg | 45.0 |
| Groove Width | 0.1420 INCHES NOMINAL IN |
| 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 |
|---|---|
| V2298XS | Trw Inc Trw Intl Trade Government Sales Dept (USA) |
| Reference | Meaning |
|---|---|
| I-531S | 5/9 Secondary reference U.S. Government activity |
| B8QH-6507-AA | 3/9 Design control — primary reference Ford Motor Co Ford Parts and Service Div Government Part Sales |
| 5751318 | 5/9 Secondary reference Ford Motor Co Ford Parts and Service Div Government Part Sales |
| B8QH-6507-AA | 5/9 Secondary reference Ford Motor Company |
| B8QH6507AA1 | 5/9 Secondary reference Ford Motor Co Ford Parts and Service Div Government Part Sales |
NSN 2805-00-657-4826 is a Valve,poppet,engine, manufactured by Trw Inc Trw Intl Trade Government Sales Dept, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-00-657-4826 has 1 manufacturer part number on file: V2298XS (Trw Inc Trw Intl Trade Government Sales Dept).
Key specifications for V2298XS: Stem Diameter: 0.4349 INCHES MINIMUM AND 0.4358 INCHES MAXIMUM IN; FSC Application Data: GASOLINE ENGINE; Head Height: 0.2000 INCHES NOMINAL IN; Stem Length: 5.6390 INCHES NOMINAL IN. 17 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.