The Fan Tray,assembly, cataloged under National Stock Number 4140-01-616-1918, 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. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4140-01-616-1918 |
| Primary Part Number | WS-C6509-V-E-FAN |
| Item Name | Fan Tray,assembly |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Cisco Systems Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| WS-C6509-V-E-FAN PRIMARY | Cisco Systems Inc (USA) |
| WS-C6509-V-E-FAN | Cisco Systems (GBR) |
| 40051497 | Ministry of Defence, Future Aircraft Carrier Ipt (cvf Ipt) (GBR) |
| Reference | Meaning |
|---|---|
| WS-C6509-V-E-FAN | 5/9 Secondary reference Telindus Ltd |
NSN 4140-01-616-1918 is a Fan Tray,assembly, manufactured by Cisco Systems Inc, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-616-1918 has 3 manufacturer part numbers on file: WS-C6509-V-E-FAN (Cisco Systems Inc), WS-C6509-V-E-FAN (Cisco Systems), 40051497 (Ministry of Defence, Future Aircraft Carrier Ipt (cvf Ipt)).
1 possible match (shared part number, not a government interchangeability claim): 5975-01-625-4830. Verify interchangeability with system specifications before substitution.
Key specifications for WS-C6509-V-E-FAN: End Item Identification: SSDS MK2, MOD. 0 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.