The Fan,tubeaxial, cataloged under National Stock Number 4140-00-243-6664, is classified within Federal Supply Class 4140 (No Item Name Available) of the Refrigeration, AC, and Air Circulating Equipment group. The primary manufacturer of record is Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-00-243-6664 |
| Primary Part Number | 2660520 |
| Item Name | Fan,tubeaxial |
| FSC / FSG | 4140 / 41 — No Item Name Available |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | ACTIVE |
| Speed Adjustments | SINGLE SPEEDSINGLE SPEED |
| Prime Mover Type | ELECTRIC MOTORELECTRIC MOTOR |
| Prime Mover Drive Shaft Bearing Type | BALLBALL |
| Phase | SINGLESINGLE |
| Material | PLASTIC POLYCARBONATE BLADE |
| Material | ALUMINUM ALLOY HOUSING |
| Surface Treatment | ENAMEL HOUSINGENAMEL HOUSING |
| Air Flow Rate | 110.0 CUBIC FEET PER MINUTE NOMINAL110.0 CUBIC FEET PER MINUTE NOMINAL |
| Mounting Facility Type and Quantity | 2 RIM2 RIM |
| Voltage in Volts and Current Type | 115.0 AC115.0 AC |
| Inclosure Type | FULLY INCLOSEDFULLY INCLOSED |
| Ambient Temp at Full Rated Power | -54.0 CELSIUS AND -54.0 CELSIUS AND 100.0 CELSIUS100.0 CELSIUS DEGC |
| Frequency in Hertz | 60.060.0 |
| Housing Inside Diameter | 4.495 INCHES MINIMUM AND 4.495 INCHES MINIMUM AND 4.505 INCHES MAXIMUM4.505 INCHES MAXIMUM IN |
| Operating Speed at Rated Capacity in RPM | 3100.03100.0 |
| Environmental Protection | FUNGUS RESISTANTFUNGUS RESISTANT |
| Length | 1.500 INCHES NOMINAL1.500 INCHES NOMINAL IN |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Style Designator | FIXEDFIXED |
| Rotation Direction for Which Designed | CLOCKWISECLOCKWISE |
| Drive Type | DIRECTDIRECT |
| Electrical Connection Type | WIRE LEADWIRE LEAD |
| Flow Direction | OUTWARDOUTWARD |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2660520 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 2660520 PRIMARY | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| SPARTAN RL682YF | Rotron Incorporated (USA) |
| A074375 | Rotron Incorporated (USA) |
NSN 4140-00-243-6664 is a Fan,tubeaxial, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 4140 (No Item Name Available). Status: active.
NSN 4140-00-243-6664 has 4 cross-referenced part numbers: 2660520 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 2660520 (Lockheed Martin Corporation Div Rms - Mitchel Field), SPARTAN RL682YF (Rotron Incorporated), A074375 (Rotron Incorporated).
There are 2 known substitutes for 4140-00-243-6664: 4140-00-043-2706, 4140-00-965-7580. Verify interchangeability with system specifications before substitution.
Key specifications for 2660520: Speed Adjustments: SINGLE SPEEDSINGLE SPEED; Prime Mover Type: ELECTRIC MOTORELECTRIC MOTOR; Prime Mover Drive Shaft Bearing Type: BALLBALL; Phase: SINGLESINGLE. 23 total characteristics are documented in the Federal Logistics Information System.