The Fan,vaneaxial, cataloged under National Stock Number 4140-01-264-7461, 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 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4140-01-264-7461 |
| Primary Part Number | E1-7500-1/MAS25A5 |
| 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 | 2 BRACKET(S) |
| Inclosure Type | FULLY INCLOSED |
| Length | 35.500 INCHES NOMINAL IN |
| Flow Direction | INWARD |
| Housing Inside Diameter | 25.250 INCHES NOMINAL IN |
| Drive Type | DIRECT |
| Style Designator | FIXED |
| Material | STEEL HOUSING |
| Material | ALUMINUM BLADE |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | CLOCKWISE |
| Electrical Connection Type | TERMINAL BOX |
| 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 |
|---|---|
| E1-7500-1/MAS25A5 PRIMARY | Fm Af, Llc Dba American Fan Company (USA) |
| Reference | Meaning |
|---|---|
| E1-7500-1/MAS25A5 | 5/9 Secondary reference New Philadelphia Fan Co Buffalo Forge Marine Fans |
NSN 4140-01-264-7461 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 4140-01-264-7461 has 1 manufacturer part number on file: E1-7500-1/MAS25A5 (Fm Af, Llc Dba American Fan Company).
Key specifications for E1-7500-1/MAS25A5: Mounting Facility Type and Quantity: 2 BRACKET(S); Inclosure Type: FULLY INCLOSED; Length: 35.500 INCHES NOMINAL IN; Flow Direction: INWARD. 12 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.