The Insert,engine Valve Seat, cataloged under National Stock Number 2815-01-236-6643, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Daimler Truck North America Llc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Insert,engine Valve Seat |
| FSC / FSG | 2815 — Diesel Engines and Components (FSG 28) |
| Manufacturers | Daimler Truck North America Llc (CAGE 64678); Mercedes-Benz Ag (CAGE CN7Z7) |
| Parameter | Value |
|---|---|
| NSN | 2815-01-236-6643 |
| Primary Part Number | 352 053 17 31 |
| Item Name | Insert,engine Valve Seat |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Daimler Truck North America Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| 352 053 17 31 PRIMARY | Daimler Truck North America Llc (USA) |
| 352 053 17 31 | Mercedes-Benz Ag (DEU) |
| Reference | Meaning |
|---|---|
| 352 053 33 31 | 5/9 Secondary reference Daimler Ag |
| 352 053 17 31 | 5/9 Secondary reference Daimler Ag |
| 352 053 33 31 | 5/1 Secondary reference Mercedes-Benz Ag |
NSN 2815-01-236-6643 is a Insert,engine Valve Seat, manufactured by Daimler Truck North America Llc, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-01-236-6643 has 2 manufacturer part numbers on file: 352 053 17 31 (Daimler Truck North America Llc), 352 053 17 31 (Mercedes-Benz Ag).
1 possible match (shared part number, not a government interchangeability claim): 2815-01-236-6646. Verify interchangeability with system specifications before substitution.
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.