The Fan,vaneaxial, cataloged under National Stock Number 4140-01-277-5930, 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 25 specifications, cited from the U.S. Government catalog. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-277-5930 |
| Item Name | Fan,vaneaxial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 FLANGE |
| Speed Adjustments | SINGLE SPEED |
| Phase | THREE |
| Frequency in Hertz | 60.0 |
| Inclosure Type | FULLY INCLOSED |
| Length | 38.875 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 440.0 AC |
| Flow Direction | INWARD |
| Housing Inside Diameter | 36.000 INCHES NOMINAL IN |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 17.500 HORSEPOWER |
| Style Designator | FIXED |
| Material Document and Classification | QQA-250/11 FED SPEC SINGLE MATERIAL RESPONSE HOUSING |
| Ambient Temp at Full Rated Power | 80.0 CELSIUS DEGC |
| Operating Speed at Rated Capacity in RPM | 1750.0 |
| Surface Treatment | ZINC HOUSING |
| Environmental Protection | SPRAY TIGHT |
| Material | STEEL HOUSING |
| Material | ALUMINUM BLADE |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | CLOCKWISE |
| Prime Mover Drive Shaft Bearing Type | BALL |
| Electrical Connection Type | TERMINAL BLOCK |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 20000.0 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 |
| Reference | Meaning |
|---|---|
| A20A4W8 | 5/9 Secondary reference U.S. Government activity |
| A20A4W8 R1-3571 | 5/1 Secondary reference Fm Af, Llc Dba American Fan Company |
| A20A4W8 R1-3571 | 5/9 Secondary reference New Philadelphia Fan Co Buffalo Forge Marine Fans |
| M18953-AA20WA4W8NANANA | 2/2 Government specification standardization U.S. Government activity |
| MIL-PRF-18953 | 4/1 Identification reference U.S. Government activity |
| R1-3571-CD-3458 | 5/9 Secondary reference New Philadelphia Fan Co Buffalo Forge Marine Fans |
| MIL-F-18953 | 5/9 Secondary reference U.S. Government activity |
| R1-3571-CD-3458 | 5/1 Secondary reference Fm Af, Llc Dba American Fan Company |
| R1-3571-CD-3723 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 4140-01-277-5930 is a Fan,vaneaxial, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
Key specifications for 4140-01-277-5930: Mounting Facility Type and Quantity: 1 FLANGE; Speed Adjustments: SINGLE SPEED; Phase: THREE; Frequency in Hertz: 60.0. 25 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.