The Centrifugal Unit, cataloged under National Stock Number 4140-01-686-5444, is classified within Federal Supply Class 4140 (Fans, Air Circulators, and Blower Equipment) of the Refrigeration, AC, and Air Circulating Equipment group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-686-5444 |
| Primary Part Number | 3528AS240-02 |
| Item Name | Centrifugal Unit |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Criticality Code Justification | AGAV |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 3528AS240-02 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 3528AS240-02 | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
| Reference | Meaning |
|---|---|
| 3528AS240-02 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4140-01-686-5444 is a Centrifugal Unit, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-686-5444 has 2 manufacturer part numbers on file: 3528AS240-02 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 3528AS240-02 (Lockheed Martin Corporation Div Rotary and Mission Systems).
Key specifications for 3528AS240-02: Criticality Code Justification: AGAV; End Item Identification: USM-737 ELECTRONIC CONSOLIDATED AUTOMATED SUPPORT SYSTEM (ECASS) NAVSUO WWS-P. 1 specification is 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.