The Fan,tubeaxial, cataloged under National Stock Number 4140-01-397-7431, 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 Oliver Supplies, Alejandro Villareal. Government technical data includes 16 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4140-01-397-7431 |
| Primary Part Number | 031162 |
| Item Name | Fan,tubeaxial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Oliver Supplies, Alejandro Villareal |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) |
| Speed Adjustments | SINGLE SPEED |
| Length | 1.000 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 12.000 DC |
| Flow Direction | INWARD |
| Housing Inside Diameter | 3.000 INCHES NOMINAL IN |
| Drive Type | DIRECT |
| Style Designator | FIXED |
| Height | 3.150 INCHES NOMINAL IN |
| Operating Speed at Rated Capacity in RPM | 3600.0 |
| Width | 3.150 INCHES NOMINAL IN |
| Material | PLASTIC OVERALL |
| Rotation Direction for Which Designed | CLOCKWISE |
| Prime Mover Drive Shaft Bearing Type | BALL |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 37.000 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 |
|---|---|
| 031162 PRIMARY | Oliver Supplies, Alejandro Villareal (USA) |
| Reference | Meaning |
|---|---|
| 10100275 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 032258 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 031162 | 3/9 Design control — primary reference Comair Rotron Inc Sub of Kl Industries Inc |
| FE12B3 | 5/9 Secondary reference Comair Rotron Inc Sub of Kl Industries Inc |
| KD1208PTB2.13.(2).GN | C/1 Advisory reference — outside the item-of-supply concept Newark Electronics Corporation Dba Newark |
NSN 4140-01-397-7431 is a Fan,tubeaxial, manufactured by Oliver Supplies, Alejandro Villareal, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-397-7431 has 1 manufacturer part number on file: 031162 (Oliver Supplies, Alejandro Villareal).
1 possible match (shared part number, not a government interchangeability claim): 6520-01-515-0667. Verify interchangeability with system specifications before substitution.
Key specifications for 031162: Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S); Speed Adjustments: SINGLE SPEED; Length: 1.000 INCHES NOMINAL IN; Voltage in Volts and Current Type: 12.000 DC. 16 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.