The Cylinder Sleeve, cataloged under National Stock Number 2815-00-971-3510, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 15 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-00-971-3510 |
| Primary Part Number | 128HM10162-1 |
| Item Name | Cylinder Sleeve |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Chamfer Length | 0.062 INCHES NOMINAL IN |
| Flange Thickness | 0.125 INCHES NOMINAL IN |
| Design Type | DRY |
| Body Outside Diameter | 0.622 INCHES NOMINAL IN |
| Top Intake Port | NOT INCLUDED |
| Style Designator | DRY, FLANGED, RELIEVED |
| Top Inside Chamfer | INCLUDED |
| Intake Hole | NOT INCLUDED |
| Surface Treatment | PASSIVATE |
| Chamfer Angle in Deg | 45.0 |
| Bottom Inside Chamfer | NOT INCLUDED |
| Bore Diameter | 0.468 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING |
| Flange Outside Diameter | 1.112 INCHES MINIMUM AND 1.113 INCHES MAXIMUM IN |
| Metallic Hardness Rating | 30.0 MINIMUM ROCKWELL C AND 45.0 MAXIMUM ROCKWELL C |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 128HM10162-1 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 128HM10162 | D/9 Drawing number reference only Northrop Grumman Systems Corporation |
| 128HM10162-1 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 2815-00-971-3510 is a Cylinder Sleeve, manufactured by Northrop Grumman Systems Corporation, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-00-971-3510 has 1 manufacturer part number on file: 128HM10162-1 (Northrop Grumman Systems Corporation).
Key specifications for 128HM10162-1: Chamfer Length: 0.062 INCHES NOMINAL IN; Flange Thickness: 0.125 INCHES NOMINAL IN; Design Type: DRY; Body Outside Diameter: 0.622 INCHES NOMINAL IN. 15 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.
NSN 2815-00-971-3510 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.