The Skirt Piston, cataloged under National Stock Number 2815-01-361-2838, 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 3 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-01-361-2838 |
| Primary Part Number | 1077791 |
| Item Name | Skirt Piston |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Fragility Factor | RUGGED |
| General Characteristics Item Description | MATERIAL STEEL,WITH 2 PORTS |
| Departure From Cited Designator | AS MODIFIED BY SHAPE |
| 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 |
|---|---|
| 1077791 | Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc (USA) |
| 1077791 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| 1077791 | Amz Alabama Inc. (USA) |
| Reference | Meaning |
|---|---|
| 4P1549 | 5/9 Secondary reference Caterpillar Inc Div Caterpillar Defense |
NSN 2815-01-361-2838 is a Skirt Piston, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-01-361-2838 has 3 manufacturer part numbers on file: 1077791 (Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc), 1077791 (Caterpillar Inc Div Caterpillar Defense), 1077791 (Amz Alabama Inc.).
Key specifications for 1077791: Fragility Factor: RUGGED; General Characteristics Item Description: MATERIAL STEEL,WITH 2 PORTS; Departure From Cited Designator: AS MODIFIED BY SHAPE; Special Features: BASIC ENGINE. 3 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.