The Cylinder Sleeve, cataloged under National Stock Number 4320-00-673-7932, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 11 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 | 4320-00-673-7932 |
| Primary Part Number | 1656200 |
| Item Name | Cylinder Sleeve |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| FSC Application Data | GUIDE,LAUNCHING RAIL,GUIDED MISSILE |
| Design Type | WET |
| Body Outside Diameter | 2.750 INCHES NOMINAL IN |
| Top Intake Port | NOT INCLUDED |
| Style Designator | DRY, PLAIN |
| Top Inside Chamfer | NOT INCLUDED |
| Valve Recess | NOT INCLUDED |
| Intake Hole | NOT INCLUDED |
| Bottom Inside Chamfer | NOT INCLUDED |
| Bore Diameter | 2.500 INCHES NOMINAL IN |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| 1656200 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 4320-00-673-7932 is a Cylinder Sleeve, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-673-7932 has 1 manufacturer part number on file: 1656200 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 1656200: FSC Application Data: GUIDE,LAUNCHING RAIL,GUIDED MISSILE; Design Type: WET; Body Outside Diameter: 2.750 INCHES NOMINAL IN; Top Intake Port: NOT INCLUDED. 11 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 4320-00-673-7932 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.