The Valve,poppet,engine, cataloged under National Stock Number 2815-00-847-2295, is classified within Federal Supply Class 2815 (Diesel Engines 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 11 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-00-847-2295 |
| Primary Part Number | AX5271 |
| Item Name | Valve,poppet,engine |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Trw Inc Trw Intl Trade Government Sales Dept |
| Status | ACTIVE |
| Head Height | 0.2030 INCHES NOMINAL IN |
| Seat Angle in Deg | 45.0 |
| Neck Radius | 0.6400 INCHES NOMINAL IN |
| Groove Diameter | 0.4840 INCHES NOMINAL IN |
| Distance From Groove to Stem End | 0.2500 INCHES NOMINAL IN |
| Outside Diameter | 1.7030 INCHES NOMINAL IN |
| Stem Style | GROOVED |
| Head Style | FLAT |
| Carbon Relief Groove | NOT INCLUDED |
| Material | STEEL OVERALL |
| Groove Width | 0.1250 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 |
|---|---|
| AX5271 | Trw Inc Trw Intl Trade Government Sales Dept (USA) |
| 341057R3 | Komatsu America Corp. (USA) |
| Reference | Meaning |
|---|---|
| 341057R3 | 3/9 Design control — primary reference Komatsu American Intl Co |
| 341057R3 | 5/9 Secondary reference U.S. Government activity |
| 341057R3 | 5/9 Secondary reference U.S. Government activity |
| XC40971 | 5/9 Secondary reference Mcquay-Norris Inc Oem Div an Skf Industries Co |
| 341057R3 | 5/9 Secondary reference U.S. Government activity |
| 341057R2 | 5/2 Secondary reference U.S. Government activity |
NSN 2815-00-847-2295 is a Valve,poppet,engine, manufactured by Trw Inc Trw Intl Trade Government Sales Dept, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-00-847-2295 has 2 manufacturer part numbers on file: AX5271 (Trw Inc Trw Intl Trade Government Sales Dept), 341057R3 (Komatsu America Corp.).
Key specifications for AX5271: Head Height: 0.2030 INCHES NOMINAL IN; Seat Angle in Deg: 45.0; Neck Radius: 0.6400 INCHES NOMINAL IN; Groove Diameter: 0.4840 INCHES NOMINAL IN. 11 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.