The Fan Assembly,centrifugal, cataloged under National Stock Number 4140-01-614-4776, 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 L3 Technologies, Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4140-01-614-4776 |
| Primary Part Number | B-3261 |
| Item Name | Fan Assembly,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | L3 Technologies, 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 |
|---|---|
| B-3261 | L3 Technologies, Inc. (USA) |
| Reference | Meaning |
|---|---|
| D-3924 ITEM 80 | 5/9 Secondary reference L3 Technologies, Inc. |
| B-3261 | 3/9 Design control — primary reference L3 Technologies, Inc. |
NSN 4140-01-614-4776 is a Fan Assembly,centrifugal, manufactured by L3 Technologies, Inc., classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-614-4776 has 1 manufacturer part number on file: B-3261 (L3 Technologies, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 4140-01-686-7885. Verify interchangeability with system specifications before substitution.
Key specifications for B-3261: End Item Identification: 8527953-1 DIS. 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.