The Fan,centrifugal, cataloged under National Stock Number 4140-01-248-4609, 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 The Boeing Company Div Defense. Government technical data includes 23 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4140-01-248-4609 |
| Primary Part Number | 10M10-1574 |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 BRACKET(S) |
| Speed Adjustments | SINGLE SPEED |
| Phase | THREE |
| Inclosure Type | FULLY INCLOSED |
| Length | 12.750 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 115.0 AC |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 900.000 WATTS |
| Style Designator | FIXED, MULTISTAGE |
| Discharge Direction | HORIZONTAL |
| Stage Quantity | 3 |
| Operating Speed at Rated Capacity in RPM | 3400.0 |
| Surface Treatment | CHROMATE ZINC HOUSING |
| Surface Treatment | ANODIZE AND CADMIUM BLADE |
| Width | 18.562 INCHES NOMINAL IN |
| Material | STEEL HOUSING |
| Material | ALUMINUM AND STEEL BLADE |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | CLOCKWISE |
| Prime Mover Drive Shaft Bearing Type | BALL |
| Electrical Connection Type | WIRE LEAD |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 350.0 CUBIC FEET PER MINUTE NOMINAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 10M10-1574 | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| C11787-1 | 7/2 Vendor item drawing reference U.S. Government activity |
| 022738 | 3/2 Design control — primary reference U.S. Government activity |
| LLPZ/A3-100020-469JF/MTG DETAIL2 | 5/2 Secondary reference U.S. Government activity |
NSN 4140-01-248-4609 is a Fan,centrifugal, manufactured by The Boeing Company Div Defense, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-248-4609 has 1 manufacturer part number on file: 10M10-1574 (The Boeing Company Div Defense).
1 possible match (shared part number, not a government interchangeability claim): 6515-01-504-7813. Verify interchangeability with system specifications before substitution.
Key specifications for 10M10-1574: Mounting Facility Type and Quantity: 1 BRACKET(S); Speed Adjustments: SINGLE SPEED; Phase: THREE; Inclosure Type: FULLY INCLOSED. 23 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.
NSN 4140-01-248-4609 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.