The Fan,vaneaxial, cataloged under National Stock Number 4140-01-191-7577, 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 13 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-191-7577 |
| Item Name | Fan,vaneaxial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Status | ACTIVE |
| Phase | THREE |
| Frequency in Hertz | 60.0 |
| Inclosure Type | FULLY INCLOSED |
| Voltage in Volts and Current Type | 440.0 AC |
| Drive Type | DIRECT |
| Quantity | 1 |
| Features Provided | NONSPARKING |
| Ambient Temp at Full Rated Power | 65.0 CELSIUS DEGC |
| Operating Speed at Rated Capacity in RPM | 1750.0 |
| Prime Mover Type | ELECTRIC MOTOR |
| Prime Mover Drive Shaft Bearing Type | BALL |
| Electrical Connection Type | TERMINAL BLOCK |
| 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 |
|---|---|
| M18953-AA20WA4X6NANANA | 2/2 Government specification standardization U.S. Government activity |
| MIL-F-18953 | 5/9 Secondary reference U.S. Government activity |
| A20A4X6 | 5/9 Secondary reference U.S. Government activity |
| MIL-PRF-18953 | 4/1 Identification reference U.S. Government activity |
NSN 4140-01-191-7577 is a Fan,vaneaxial, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
Key specifications for 4140-01-191-7577: Phase: THREE; Frequency in Hertz: 60.0; Inclosure Type: FULLY INCLOSED; Voltage in Volts and Current Type: 440.0 AC. 13 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.