The Fan,tubeaxial, cataloged under National Stock Number 4140-01-504-6542, 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 Ibi Systems, Inc. Dba Ibi Systems Inc. Government technical data includes 21 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 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 | 4140-01-504-6542 |
| Primary Part Number | FBA09A12H |
| Item Name | Fan,tubeaxial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Ibi Systems, Inc. Dba Ibi Systems Inc |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) |
| Speed Adjustments | SINGLE SPEED |
| Inclosure Type | PARTIALLY INCLOSED |
| Length | 25.5 MILLIMETERS NOMINAL MM |
| Voltage in Volts and Current Type | 12.0 DC |
| Flow Direction | INWARD |
| Housing Inside Diameter | 82.5 MILLIMETERS NOMINAL MM |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 2.7 WATTS |
| Style Designator | FIXED |
| Ambient Temp at Full Rated Power | -10.0 CELSIUS AND 70.0 CELSIUS DEGC |
| Height | 92.0 MILLIMETERS NOMINAL MM |
| Operating Speed at Rated Capacity in RPM | 2850.0 |
| Width | 92.0 MILLIMETERS NOMINAL MM |
| Material | PLASTIC OVERALL |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| Prime Mover Drive Shaft Bearing Type | BALL |
| Electrical Connection Type | CONNECTOR PLUG |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 1.6 CUBIC FEET PER MINUTE NOMINAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 4140-01-504-6542 is a Fan,tubeaxial, manufactured by Ibi Systems, Inc. Dba Ibi Systems Inc, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-504-6542 has 3 manufacturer part numbers on file: FBA09A12H (Buckley, Michael Dba R B Enterprises), 30013-1 (Ibi Systems, Inc. Dba Ibi Systems Inc), FBA09A12H (Ibi Systems, Inc. Dba Ibi Systems Inc).
1 possible match (shared part number, not a government interchangeability claim): 5935-01-567-5422. Verify interchangeability with system specifications before substitution.
Key specifications for FBA09A12H: Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S); Speed Adjustments: SINGLE SPEED; Inclosure Type: PARTIALLY INCLOSED; Length: 25.5 MILLIMETERS NOMINAL MM. 21 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.