The Cylinder Sleeve, cataloged under National Stock Number 4320-01-075-4386, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-075-4386 |
| Primary Part Number | 9533958 |
| Item Name | Cylinder Sleeve |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems |
| Status | ACTIVE |
| Undercut Diameter | 1.281 INCHES NOMINAL IN |
| Flange Thickness | 0.313 INCHES NOMINAL IN |
| Design Type | WET |
| Expanded Diameter | 1.371 INCHES NOMINAL IN |
| Body Outside Diameter | 1.334 INCHES NOMINAL IN |
| Style Designator | WET, FLANGED |
| Top Inside Chamfer | NOT INCLUDED |
| Valve Recess | NOT INCLUDED |
| Body Length | 0.141 INCHES NOMINAL IN |
| Intake Hole | NOT INCLUDED |
| Bottom Inside Chamfer | NOT INCLUDED |
| Bore Diameter | 1.123 INCHES NOMINAL IN |
| Material | ALUMINUM |
| Flange Outside Diameter | 2.000 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 |
|---|---|
| 9533958 PRIMARY | Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems (USA) |
NSN 4320-01-075-4386 is a Cylinder Sleeve, manufactured by Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-075-4386 has 1 manufacturer part number on file: 9533958 (Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems).
Key specifications for 9533958: Undercut Diameter: 1.281 INCHES NOMINAL IN; Flange Thickness: 0.313 INCHES NOMINAL IN; Design Type: WET; Expanded Diameter: 1.371 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.