The Tappet,engine Poppet Valve, cataloged under National Stock Number 2815-01-398-4580, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 2815-01-398-4580 |
| Primary Part Number | 194-0629 |
| Item Name | Tappet,engine Poppet Valve |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | CANCELLED |
| Operation Method | HYDRAULIC |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 101-8173 | Navantia Sa Sme. Div Navantia Hq (ESP) |
| 194-0629 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| 101-8173 | Navantia - Propulsion Y Energia Motores - Cartagena (ESP) |
| 194-0629 | Navantia - Propulsion Y Energia Motores - Cartagena (ESP) |
| Reference | Meaning |
|---|---|
| 1018173 | 5/9 Secondary reference Caterpillar Inc Div Caterpillar Defense |
NSN 2815-01-398-4580 is a Tappet,engine Poppet Valve, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2815, Diesel Engines and Components. Status: cancelled.
NSN 2815-01-398-4580 has 4 manufacturer part numbers on file: 101-8173 (Navantia Sa Sme. Div Navantia Hq), 194-0629 (Caterpillar Inc Div Caterpillar Defense), 101-8173 (Navantia - Propulsion Y Energia Motores - Cartagena), 194-0629 (Navantia - Propulsion Y Energia Motores - Cartagena).
Key specifications for 194-0629: Special Features: 13.000 IN LG,2.8 IN. W,2.8 IN. H IN; Operation Method: HYDRAULIC. 1 specification is 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.
NSN 2815-01-398-4580 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
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.