The Fan,tubeaxial, cataloged under National Stock Number 4140-01-256-4573, 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 Ebm Industries Inc Dba Ebm Papst. Government technical data includes 15 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-256-4573 |
| Primary Part Number | 3124F |
| Item Name | Fan,tubeaxial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Ebm Industries Inc Dba Ebm Papst |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 8 UNTHREADED HOLE(S) |
| Length | 0.970 INCHES MINIMUM AND 1.030 INCHES MAXIMUM IN |
| Voltage in Volts and Current Type | 18.0 DC OR 24.0 DC OR 30.0 DC |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 1.400 WATTS AND 2.900 WATTS |
| Style Designator | FIXED |
| Height | 3.590 INCHES MINIMUM AND 3.650 INCHES MAXIMUM IN |
| Operating Speed at Rated Capacity in RPM | 2250.0 AND 3700.0 |
| Width | 3.590 INCHES MINIMUM AND 3.650 INCHES MAXIMUM IN |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| Prime Mover Drive Shaft Bearing Type | BALL |
| Electrical Connection Type | TERMINAL |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 33.0 CUBIC FEET PER MINUTE MINIMUM AND 57.0 CUBIC FEET PER MINUTE MAXIMUM |
| 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 |
|---|---|
| 3124F PRIMARY | Ebm Industries Inc Dba Ebm Papst (USA) |
| Reference | Meaning |
|---|---|
| 492-0167-001 | 5/2 Secondary reference U.S. Government activity |
| 3160-0447 | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
| 3124F | 5/9 Secondary reference Purdy William J Co Interfan Div |
NSN 4140-01-256-4573 is a Fan,tubeaxial, manufactured by Ebm Industries Inc Dba Ebm Papst, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-256-4573 has 1 manufacturer part number on file: 3124F (Ebm Industries Inc Dba Ebm Papst).
Key specifications for 3124F: Mounting Facility Type and Quantity: 8 UNTHREADED HOLE(S); Length: 0.970 INCHES MINIMUM AND 1.030 INCHES MAXIMUM IN; Voltage in Volts and Current Type: 18.0 DC OR 24.0 DC OR 30.0 DC; Drive Type: DIRECT. 15 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.