The Fan,tubeaxial, cataloged under National Stock Number 4140-01-521-9969, 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 18 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4140-01-521-9969 |
| Primary Part Number | 031093 |
| Item Name | Fan,tubeaxial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Eg and G Rotron Regenerative Blower Opns |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 BOLT |
| Inclosure Type | GUARDED |
| Length | 2.000 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 24.0 AC |
| Flow Direction | OUTWARD |
| Housing Inside Diameter | 6.375 INCHES NOMINAL IN |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 18.0 WATTS |
| Style Designator | FIXED |
| Height | 6.7500 INCHES NOMINAL IN |
| Operating Speed at Rated Capacity in RPM | 3000.0 |
| Width | 5.920 INCHES NOMINAL IN |
| Material | PLASTIC HOUSING |
| Material | PLASTIC POLYCARBONATE BLADE |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | CLOCKWISE |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 205.0 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 |
|---|---|
| 031093 PRIMARY | Eg and G Rotron Regenerative Blower Opns (USA) |
| Reference | Meaning |
|---|---|
| 031093 | 3/9 Design control — primary reference Comair Rotron Inc Sub of Kl Industries Inc |
| 031093 | 5/9 Secondary reference Comair Rotron Inc Sub of Kl Industries Inc |
NSN 4140-01-521-9969 is a Fan,tubeaxial, manufactured by Eg and G Rotron Regenerative Blower Opns, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-521-9969 has 1 manufacturer part number on file: 031093 (Eg and G Rotron Regenerative Blower Opns).
Key specifications for 031093: Mounting Facility Type and Quantity: 4 BOLT; Inclosure Type: GUARDED; Length: 2.000 INCHES NOMINAL IN; Voltage in Volts and Current Type: 24.0 AC. 18 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.