The Fan,centrifugal, cataloged under National Stock Number 4140-01-311-4769, 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 Aimtron Systems, Llc. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-311-4769 |
| Primary Part Number | 407888 |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Aimtron Systems, Llc |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 FLANGE |
| Phase | THREE |
| Frequency in Hertz | 50.0 AND 60.0 |
| Quantity | 2 |
| Style Designator | FIXED,DUAL,ROUND OUTLETS |
| Surface Treatment | ZINC BLADE |
| Surface Treatment | PRIMER AND ENAMEL HOUSING |
| Material | STEEL BLADE |
| Material | STEEL HOUSING |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| 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 |
|---|---|
| 407888 | Aimtron Systems, Llc (USA) |
| Reference | Meaning |
|---|---|
| 407888 | 5/9 Secondary reference Cardion Inc |
| DRFP-AD3503-CCW-197JF | 3/2 Design control — primary reference U.S. Government activity |
NSN 4140-01-311-4769 is a Fan,centrifugal, manufactured by Aimtron Systems, Llc, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-311-4769 has 1 manufacturer part number on file: 407888 (Aimtron Systems, Llc).
Key specifications for 407888: Mounting Facility Type and Quantity: 1 FLANGE; Phase: THREE; Frequency in Hertz: 50.0 AND 60.0; Quantity: 2. 11 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.