The Fan,centrifugal, cataloged under National Stock Number 4140-01-267-5031, 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 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-267-5031 |
| Primary Part Number | E1-7505-1/MAS445BL ITEM 47 |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Fm Af, Llc Dba American Fan Company |
| Status | ACTIVE |
| Phase | THREE |
| Frequency in Hertz | 60.0 |
| Voltage in Volts and Current Type | 440.0 AC |
| Prime Mover Power Rating | 7.500 HORSEPOWER |
| Ambient Temp at Full Rated Power | 70.0 FAHRENHEIT DEGF |
| Operating Speed at Rated Capacity in RPM | 1750.0 |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | CLOCKWISE |
| 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 |
|---|---|
| E1-7505-1/MAS445BL ITEM 47 PRIMARY | Fm Af, Llc Dba American Fan Company (USA) |
| Reference | Meaning |
|---|---|
| E1-7505-1/MAS445BL ITEM 47 | 5/9 Secondary reference New Philadelphia Fan Co Buffalo Forge Marine Fans |
NSN 4140-01-267-5031 is a Fan,centrifugal, manufactured by Fm Af, Llc Dba American Fan Company, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-267-5031 has 1 manufacturer part number on file: E1-7505-1/MAS445BL ITEM 47 (Fm Af, Llc Dba American Fan Company).
Key specifications for E1-7505-1/MAS445BL ITEM 47: Phase: THREE; Frequency in Hertz: 60.0; Voltage in Volts and Current Type: 440.0 AC; Prime Mover Power Rating: 7.500 HORSEPOWER. 8 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.