The Fan,vaneaxial, cataloged under National Stock Number 4140-01-121-2178, 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 23 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4140-01-121-2178 |
| Primary Part Number | 52UW-500706-7440 |
| 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 16 UNTHREADED HOLE(S) |
| Speed Adjustments | SINGLE SPEED |
| Phase | SINGLE |
| Frequency in Hertz | 60.0 |
| Inclosure Type | FULLY INCLOSED |
| Length | 13.375 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 115.0 AC |
| Flow Direction | INWARD |
| Housing Inside Diameter | 9.000 INCHES NOMINAL IN |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 0.200 HORSEPOWER |
| Style Designator | FIXED |
| Features Provided | SAFETY IMPELLER GUARD |
| Ambient Temp at Full Rated Power | 65.0 CELSIUS DEGC |
| Operating Speed at Rated Capacity in RPM | 3500.0 |
| Surface Treatment | CHROMATE ZINC HOUSING OUTSIDE |
| Surface Treatment | CHROMATE ZINC AND VARNISH HOUSING INSIDE |
| Material | ALUMINUM ALLOY OVERALL |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | CLOCKWISE |
| Electrical Connection Type | WIRE LEAD |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 520.000 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 |
|---|---|
| 52UW-500706-7440 PRIMARY | Fm Af, Llc Dba American Fan Company (USA) |
| FF13621 | Fm Af, Llc Dba American Fan Company (USA) |
| Reference | Meaning |
|---|---|
| 500706-8173 | 5/1 Secondary reference Fm Af, Llc Dba American Fan Company |
| IR90-52D664 | 5/9 Secondary reference Fm Af, Llc Dba American Fan Company |
| FF-17892 FF-179 07 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 4140-01-121-2178 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 4140-01-121-2178 has 2 manufacturer part numbers on file: 52UW-500706-7440 (Fm Af, Llc Dba American Fan Company), FF13621 (Fm Af, Llc Dba American Fan Company).
Key specifications for 52UW-500706-7440: Mounting Facility Type and Quantity: 1 FLANGE AND 16 UNTHREADED HOLE(S); Speed Adjustments: SINGLE SPEED; Phase: SINGLE; Frequency in Hertz: 60.0. 23 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.