The Cylinder Sleeve, cataloged under National Stock Number 4310-00-339-0690, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-00-339-0690 |
| Primary Part Number | LNR59 |
| Item Name | Cylinder Sleeve |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions |
| Status | ACTIVE |
| Bottom Chamfer Length | 0.188 INCHES NOMINAL IN |
| Flange Thickness | 0.500 INCHES NOMINAL IN |
| Design Type | WET |
| Body Outside Diameter | 7.000 INCHES NOMINAL 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 | INCLUDED |
| Bore Diameter | 0.500 INCHES NOMINAL IN |
| Material | STEEL |
| Flange Outside Diameter | 8.500 INCHES NOMINAL IN |
| Bottom Chamfer Angle in Deg | 20.0 |
| 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 |
|---|---|
| LNR59 PRIMARY | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA) |
| Reference | Meaning |
|---|---|
| LNR59 | 3/9 Design control — primary reference Siemens Energy, Inc. Dba Dresser-Rand |
| LNR59 | 5/9 Secondary reference Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions |
| LNR59 | 5/9 Secondary reference U.S. Government activity |
| LNR-59-AP | 5/9 Secondary reference Acme Products & Engineering Inc |
NSN 4310-00-339-0690 is a Cylinder Sleeve, manufactured by Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-00-339-0690 has 1 manufacturer part number on file: LNR59 (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions).
Key specifications for LNR59: Bottom Chamfer Length: 0.188 INCHES NOMINAL IN; Flange Thickness: 0.500 INCHES NOMINAL IN; Design Type: WET; Body Outside Diameter: 7.000 INCHES NOMINAL 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.