The Fan,centrifugal, cataloged under National Stock Number 4140-01-555-3105, 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 L3harris Technologies, Inc Div Space & Airborne Systems. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4140-01-555-3105 |
| Primary Part Number | 3312 |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | L3harris Technologies, Inc Div Space & Airborne Systems |
| 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 |
|---|---|
| 3312 PRIMARY | L3harris Technologies, Inc Div Space & Airborne Systems (USA) |
| 3312NN | Ebm Industries Inc Dba Ebm Papst (USA) |
| Reference | Meaning |
|---|---|
| 3312 | 3/9 Design control — primary reference Harris Corporation Dba Edo Reconnaissance and Surveillance Systems Div Ew Recon and Surveillance Systems |
NSN 4140-01-555-3105 is a Fan,centrifugal, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-555-3105 has 2 manufacturer part numbers on file: 3312 (L3harris Technologies, Inc Div Space & Airborne Systems), 3312NN (Ebm Industries Inc Dba Ebm Papst).
Key specifications for 3312: End Item Identification: DEMOD CHASSIS, CY-12. 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.