The Piston,internal Combustion Engin, cataloged under National Stock Number 2815-01-044-5430, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Carrier Corp. Government technical data includes 16 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-01-044-5430 |
| Primary Part Number | 25-64219-00 |
| Item Name | Piston,internal Combustion Engin |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Carrier Corp |
| Status | ACTIVE |
| Carbon Groove | NOT INCLUDED |
| Retaining Ring Groove | INCLUDED |
| Surface Finish | FINISHED |
| Ring Groove Position and Quantity | NUMBER 1,NUMBER 2,NUMBER 3,NUMBER 4 AND NUMBER 5 PISTON ALL RINGS |
| Pin | INCLUDED |
| Pin Type for Which Designed | LOCKING |
| Oil Groove | NOT INCLUDED |
| Head Style | FLAT |
| Ring Groove Quantity | 3 |
| Skirt Bottom Cutaway Feature | INCLUDED |
| Finished Size Designation | STANDARD |
| Ring | NOT INCLUDED |
| Pin Hole Bushing | NOT INCLUDED |
| Material | STEEL |
| Skirt Type | SEMISPLIT |
| Unable to Decode | UNABLE TO DECODE |
| 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 |
|---|---|
| 25-64219-00 PRIMARY | Carrier Corp (USA) |
| Reference | Meaning |
|---|---|
| 85758 | 5/9 Secondary reference Perkins Engines Inc |
| 68380 | 5/9 Secondary reference Perkins Engines Inc |
| 25-64108-73 | 5/9 Secondary reference Carrier Corp |
| 25-64108-19 | 5/9 Secondary reference Carrier Corp |
NSN 2815-01-044-5430 is a Piston,internal Combustion Engin, manufactured by Carrier Corp, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-01-044-5430 has 1 manufacturer part number on file: 25-64219-00 (Carrier Corp).
3 possible matches (shared part number, not a government interchangeability claim): 6115-01-281-3222, 5820-01-633-7748, 7022-01-698-5549. Verify interchangeability with system specifications before substitution.
Key specifications for 25-64219-00: Carbon Groove: NOT INCLUDED; Retaining Ring Groove: INCLUDED; Surface Finish: FINISHED; Ring Groove Position and Quantity: NUMBER 1,NUMBER 2,NUMBER 3,NUMBER 4 AND NUMBER 5 PISTON ALL RINGS. 16 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.