The Fan,tubeaxial, cataloged under National Stock Number 4140-01-659-3557, 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 Cisco Systems, Inc.. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-659-3557 |
| Primary Part Number | NXA-FAN-30CFM-B |
| Item Name | Fan,tubeaxial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Cisco Systems, Inc. |
| Status | ACTIVE |
| Inclosure Type | FULLY INCLOSED |
| Flow Direction | INWARD |
| 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 |
|---|---|
| A004724 | General Dynamics Mission Systems, Inc. (USA) |
| LT-C-0061-00 | Laurel Technologies Partnership Dba Drs Laurel Technologies (USA) |
| NXA-FAN-30CFM-B PRIMARY | Cisco Systems, Inc. (USA) |
| N147653 | Lockheed Martin Corporation Div Rms - Manassas (USA) |
| ACC0080041 | General Dynamics Mission Systems, Inc. (USA) |
| F3NXA-FAN-30CFM-B | Sirius Federal Llc (USA) |
NSN 4140-01-659-3557 is a Fan,tubeaxial, manufactured by Cisco Systems, Inc., classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-659-3557 has 6 manufacturer part numbers on file: A004724 (General Dynamics Mission Systems, Inc.), LT-C-0061-00 (Laurel Technologies Partnership Dba Drs Laurel Technologies), NXA-FAN-30CFM-B (Cisco Systems, Inc.), N147653 (Lockheed Martin Corporation Div Rms - Manassas), ACC0080041 (General Dynamics Mission Systems, Inc.) and 1 more.
1 possible match (shared part number, not a government interchangeability claim): 4140-01-669-3545. Verify interchangeability with system specifications before substitution.
Key specifications for NXA-FAN-30CFM-B: Inclosure Type: FULLY INCLOSED; Flow Direction: INWARD; Special Features: PORT SIDE; BURGUNDY COLOR;; Part Name Assigned by Controlling Agency: INTAKE FAN MODULE. 2 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.