The Fan,vaneaxial, cataloged under National Stock Number 4140-00-931-7080, is classified within Federal Supply Class 4140 (Fans, Air Circulators, and Blower Equipment) of the Refrigeration, AC, and Air Circulating Equipment group. Government technical data includes 24 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4140-00-931-7080 |
| Item Name | Fan,vaneaxial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 CLAMP RING(S) |
| Speed Adjustments | SINGLE SPEED |
| Length | 19.900 INCHES NOMINAL IN |
| Flow Direction | INWARD |
| Surface Treatment Document and Classification | MIL-M-3171 TYPE 3 MIL SPEC 1ST TREATMENT RESPONSE AND MIL-P-8585 MIL SPEC 2ND TREATMENT RESPONSE AND MIL-L-7178 MIL SPEC 3RD TREATMENT RESPONSE BLADE |
| Surface Treatment Document and Classification | MIL-M-3171 TYPE 3 MIL SPEC 1ST TREATMENT RESPONSE AND MIL-P-8585 MIL SPEC 2ND TREATMENT RESPONSE AND MIL-L-7178 MIL SPEC 3RD TREATMENT RESPONSE HOUSING |
| Housing Inside Diameter | 18.000 INCHES NOMINAL IN |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 13.000 HORSEPOWER |
| Quantity | 1 |
| Style Designator | FIXED |
| Material Document and Classification | QQ-M-56 FED SPEC SINGLE MATERIAL RESPONSE BLADE |
| Diameter | 17.949 INCHES MINIMUM AND 17.952 INCHES MAXIMUM IN |
| Features Provided | COLLAR |
| Ambient Temp at Full Rated Power | -65.0 FAHRENHEIT AND 175.0 FAHRENHEIT DEGF |
| Operating Speed at Rated Capacity in RPM | 4310.0 |
| Surface Treatment | DICHROMATE AND ZINC AND LACQUER BLADE |
| Surface Treatment | DICHROMATE AND ZINC AND LACQUER HOUSING |
| Material | ALUMINUM ALLOY HOUSING |
| Material | MAGNESIUM ALLOY AZ63A BLADE |
| Prime Mover Type | HYDRAULIC MOTOR |
| Rotation Direction for Which Designed | CLOCKWISE |
| Prime Mover Drive Shaft Bearing Type | BALL |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY BLADES AND HORSEPOWER |
| 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 |
|---|---|
| 114DS450-2 | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| X702-382B | 3/3 Design control — primary reference U.S. Government activity |
NSN 4140-00-931-7080 is a Fan,vaneaxial, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-00-931-7080 has 1 manufacturer part number on file: 114DS450-2 (The Boeing Company).
1 possible match (shared part number, not a government interchangeability claim): 4140-00-990-3093. Verify interchangeability with system specifications before substitution.
Key specifications for 4140-00-931-7080: Mounting Facility Type and Quantity: 1 CLAMP RING(S); Speed Adjustments: SINGLE SPEED; Length: 19.900 INCHES NOMINAL IN; Flow Direction: INWARD. 24 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.