The Fan,centrifugal, cataloged under National Stock Number 4140-01-344-4675, 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 Eg and G Rotron Regenerative Blower Opns. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4140-01-344-4675 |
| Primary Part Number | 032179 |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Eg and G Rotron Regenerative Blower Opns |
| Status | ACTIVE |
| Speed Adjustments | SINGLE SPEED |
| Length | 1.220 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 18.0 DC OR 28.0 DC |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 11.0 WATTS |
| Ambient Temp at Full Rated Power | -10.0 CELSIUS AND 70.0 CELSIUS DEGC |
| Height | 4.750 INCHES NOMINAL IN |
| Operating Speed at Rated Capacity in RPM | 3100.0 |
| Width | 4.750 INCHES NOMINAL IN |
| Material | PLASTIC POLYPROPYLENE OVERALL |
| Prime Mover Type | ELECTRIC MOTOR |
| Prime Mover Drive Shaft Bearing Type | SLEEVE |
| Electrical Connection Type | WIRE LEAD |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 25.0 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 |
| Part Number | Manufacturer |
|---|---|
| 032179 PRIMARY | Eg and G Rotron Regenerative Blower Opns (USA) |
| Reference | Meaning |
|---|---|
| ASC1568437 | 5/9 Secondary reference Asc Pty Ltd |
| BD24A3 | 5/9 Secondary reference Eg and G Rotron Regenerative Blower Opns |
| BD-24-032179 | C/1 Advisory reference — outside the item-of-supply concept Eg and G Rotron Regenerative Blower Opns |
NSN 4140-01-344-4675 is a Fan,centrifugal, manufactured by Eg and G Rotron Regenerative Blower Opns, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-344-4675 has 1 manufacturer part number on file: 032179 (Eg and G Rotron Regenerative Blower Opns).
Key specifications for 032179: Speed Adjustments: SINGLE SPEED; Length: 1.220 INCHES NOMINAL IN; Voltage in Volts and Current Type: 18.0 DC OR 28.0 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.