The Fan,vaneaxial, cataloged under National Stock Number 4140-01-253-0919, 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 Fm Af, Llc Dba American Fan Company. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4140-01-253-0919 |
| Primary Part Number | 8W-39985-1 |
| Item Name | Fan,vaneaxial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Fm Af, Llc Dba American Fan Company |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 FLANGE AND 22 UNTHREADED HOLE(S) |
| Speed Adjustments | TWO SPEED |
| Phase | THREE |
| Frequency in Hertz | 60.0 |
| Inclosure Type | FULLY INCLOSED |
| Length | 27.375 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 440.0 AC |
| Flow Direction | INWARD |
| Housing Inside Diameter | 18.688 INCHES NOMINAL IN |
| Prime Mover Power Rating | 1.000 HORSEPOWER |
| Style Designator | FIXED |
| Ambient Temp at Full Rated Power | 70.0 FAHRENHEIT DEGF |
| Operating Speed at Rated Capacity in RPM | 1750.0 |
| Surface Treatment | CHROMATE ZINC HOUSING OUTSIDE |
| Surface Treatment | CHROMATE ZINC HOUSING INSIDE |
| Material | ALUMINUM BLADE |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| Air Flow Rate | 3300.0 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 |
|---|---|
| 8W-39985-1 PRIMARY | Fm Af, Llc Dba American Fan Company (USA) |
| MA30AF | Fm Af, Llc Dba American Fan Company (USA) |
| MA30AF/8W-39985-1 | Fm Af, Llc Dba American Fan Company (USA) |
| Reference | Meaning |
|---|---|
| 8W-39985-1 | 5/9 Secondary reference New Philadelphia Fan Co Buffalo Forge Marine Fans |
| MA30AF/8W-39985-1 | 5/9 Secondary reference New Philadelphia Fan Co Buffalo Forge Marine Fans |
| MA30AF | 5/9 Secondary reference New Philadelphia Fan Co Buffalo Forge Marine Fans |
NSN 4140-01-253-0919 is a Fan,vaneaxial, manufactured by Fm Af, Llc Dba American Fan Company, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-253-0919 has 3 manufacturer part numbers on file: 8W-39985-1 (Fm Af, Llc Dba American Fan Company), MA30AF (Fm Af, Llc Dba American Fan Company), MA30AF/8W-39985-1 (Fm Af, Llc Dba American Fan Company).
Key specifications for 8W-39985-1: Mounting Facility Type and Quantity: 1 FLANGE AND 22 UNTHREADED HOLE(S); Speed Adjustments: TWO SPEED; Phase: THREE; Frequency in Hertz: 60.0. 19 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.