The Cylinder Sleeve, cataloged under National Stock Number 2815-00-235-1609, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Cummins Inc.. Government technical data includes 20 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-00-235-1609 |
| Primary Part Number | 189950 |
| Item Name | Cylinder Sleeve |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Cummins Inc. |
| Status | ACTIVE |
| Groove Radius Depth | 0.094 INCHES NOMINAL IN |
| Flange Thickness | 0.250 INCHES NOMINAL IN |
| Design Type | WET |
| Body Outside Diameter | 4.625 INCHES NOMINAL IN |
| Top Intake Port | NOT INCLUDED |
| Taper Minor Diameter | 4.375 INCHES NOMINAL IN |
| Style Designator | WET, TWO SEAL GROOVES, INSTALLATION CHAMFER |
| Top Inside Chamfer | NOT INCLUDED |
| Valve Recess | NOT INCLUDED |
| Body Length | 7.500 INCHES NOMINAL IN |
| Taper Length | 0.188 INCHES NOMINAL IN |
| Intake Hole | NOT INCLUDED |
| Grooved Portion Outside Diameter | 4.625 INCHES NOMINAL IN |
| Surface Treatment | OXIDE |
| Bottom Inside Chamfer | NOT INCLUDED |
| Bore Diameter | 4.250 INCHES NOMINAL IN |
| Material | STEEL |
| Flange Outside Diameter | 4.875 INCHES NOMINAL IN |
| Groove Width | 0.188 INCHES NOMINAL IN |
| Grooved Portion Width | 1.125 INCHES NOMINAL IN |
| 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 |
|---|---|
| 189950 PRIMARY | Cummins Inc. (USA) |
NSN 2815-00-235-1609 is a Cylinder Sleeve, manufactured by Cummins Inc., classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-00-235-1609 has 1 manufacturer part number on file: 189950 (Cummins Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-209-9357. Verify interchangeability with system specifications before substitution.
Key specifications for 189950: Groove Radius Depth: 0.094 INCHES NOMINAL IN; Flange Thickness: 0.250 INCHES NOMINAL IN; Design Type: WET; Body Outside Diameter: 4.625 INCHES NOMINAL IN. 20 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.