The Cylinder Sleeve, cataloged under National Stock Number 2815-00-032-2676, 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 14 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-00-032-2676 |
| Primary Part Number | A51H20524-11 |
| Item Name | Cylinder Sleeve |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| FSC Application Data | CYLINDER ASSEMBLY,ACTUATING,LINEAR,HYDRAULIC SYSTEM,AIRCRAFT |
| Flange Thickness | 0.092 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN |
| Design Type | DRY |
| Body Outside Diameter | 0.746 INCHES MINIMUM AND 0.748 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 |
| Surface Treatment | CHROMIUM |
| Bottom Inside Chamfer | NOT INCLUDED |
| Bore Diameter | 0.613 INCHES MINIMUM AND 0.615 INCHES MAXIMUM IN |
| Material | STEEL |
| Flange Outside Diameter | 0.910 INCHES MINIMUM AND 0.920 INCHES MAXIMUM 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 |
|---|---|
| A51H20524-11 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| A51H20524-11 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| A51H20524-11 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems |
| A51H20524 | D/9 Drawing number reference only Northrop Grumman Systems Corporation |
NSN 2815-00-032-2676 is a Cylinder Sleeve, manufactured by Northrop Grumman Systems Corporation, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-00-032-2676 has 1 manufacturer part number on file: A51H20524-11 (Northrop Grumman Systems Corporation).
Key specifications for A51H20524-11: FSC Application Data: CYLINDER ASSEMBLY,ACTUATING,LINEAR,HYDRAULIC SYSTEM,AIRCRAFT; Flange Thickness: 0.092 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN; Design Type: DRY; Body Outside Diameter: 0.746 INCHES MINIMUM AND 0.748 INCHES MAXIMUM IN. 14 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.