The Cylinder Sleeve, cataloged under National Stock Number 2815-01-025-6768, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-01-025-6768 |
| Item Name | Cylinder Sleeve |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Status | ACTIVE |
| Chamfer Length | 0.500 INCHES NOMINAL IN |
| Design Type | WET |
| Body Outside Diameter | 3.875 INCHES MINIMUM AND 3.877 INCHES MAXIMUM IN |
| Top Intake Port | NOT INCLUDED |
| Style Designator | DRY, PLAIN |
| Material Document and Classification | QQ-S-763, CLASS 410, COND A FED SPEC SINGLE MATERIAL RESPONSE |
| Top Inside Chamfer | INCLUDED |
| Valve Recess | NOT INCLUDED |
| Intake Hole | NOT INCLUDED |
| Chamfer Angle in Deg | 5.0 |
| Bottom Inside Chamfer | NOT INCLUDED |
| Bore Diameter | 3.437 INCHES MINIMUM AND 3.439 INCHES MAXIMUM IN |
| Material | STEEL COMP 410 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| NK1780 | 5/9 Secondary reference U.S. Government activity |
| NK1780-1 | 5/9 Secondary reference Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand |
| NK1780-1 | 3/9 Design control — primary reference U.S. Government activity |
| NK1780-1 | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions |
NSN 2815-01-025-6768 is a Cylinder Sleeve, classified under FSC 2815, Diesel Engines and Components. Status: active.
Key specifications for 2815-01-025-6768: Chamfer Length: 0.500 INCHES NOMINAL IN; Design Type: WET; Body Outside Diameter: 3.875 INCHES MINIMUM AND 3.877 INCHES MAXIMUM IN; Top Intake Port: NOT INCLUDED. 13 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.