The Cylinder Sleeve, cataloged under National Stock Number 2815-00-649-8441, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Brinkley Technology Group Llc Dba Hercules Manufacturing. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-00-649-8441 |
| Primary Part Number | 255001C |
| Item Name | Cylinder Sleeve |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Brinkley Technology Group Llc Dba Hercules Manufacturing |
| Status | ACTIVE |
| Flange Thickness | 0.253 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN |
| Design Type | DRY |
| Body Outside Diameter | 3.999 INCHES MINIMUM AND 4.000 INCHES MAXIMUM IN |
| Top Intake Port | NOT INCLUDED |
| Style Designator | DRY, FLANGED, RELIEVED |
| Top Inside Chamfer | NOT INCLUDED |
| Valve Recess | NOT INCLUDED |
| Intake Hole | NOT INCLUDED |
| Bottom Inside Chamfer | NOT INCLUDED |
| Bore Diameter | 3.750 INCHES NOMINAL IN |
| Material | STEEL |
| Flange Outside Diameter | 4.086 INCHES MINIMUM AND 4.087 INCHES MAXIMUM IN |
| Metallic Hardness Rating | 183.0 MINIMUM BRINELL STANDARD AND 207.0 MAXIMUM BRINELL STANDARD |
| 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 |
|---|---|
| 255001C PRIMARY | Brinkley Technology Group Llc Dba Hercules Manufacturing (USA) |
| Reference | Meaning |
|---|---|
| 255001C | 5/9 Secondary reference Hercules Engine Co Inc |
NSN 2815-00-649-8441 is a Cylinder Sleeve, manufactured by Brinkley Technology Group Llc Dba Hercules Manufacturing, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-00-649-8441 has 1 manufacturer part number on file: 255001C (Brinkley Technology Group Llc Dba Hercules Manufacturing).
Key specifications for 255001C: Flange Thickness: 0.253 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN; Design Type: DRY; Body Outside Diameter: 3.999 INCHES MINIMUM AND 4.000 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.