The Fan,tubeaxial, cataloged under National Stock Number 4140-01-185-3741, 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 Rotron Incorporated. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 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 | 4140-01-185-3741 |
| Primary Part Number | 033779 |
| Item Name | Fan,tubeaxial |
| FSC / FSG | 4140 / 41 — No Item Name Available |
| Manufacturer | Rotron Incorporated |
| Status | ACTIVE |
| Speed Adjustments | SINGLE SPEED |
| Prime Mover Drive Shaft Bearing Type | BALL |
| Flow Direction | OUTWARD |
| Operating Speed at Rated Capacity in RPM | 3450.0 |
| Style Designator | FIXED |
| Frequency in Hertz | 60.0 |
| Prime Mover Power Rating | 0.017 HORSEPOWER |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Surface Treatment Document and Classification | TT-E-489 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Surface Treatment | ENAMEL OVERALL |
| Material | ALUMINUM ALLOY OVERALL |
| Inclosure Type | FULLY INCLOSED |
| Prime Mover Type | ELECTRIC MOTOR |
| Mounting Facility Type and Quantity | 2 RIM |
| Drive Type | DIRECT |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| Phase | SINGLE |
| Length | 2.340 INCHES NOMINAL IN |
| Housing Inside Diameter | 3.562 INCHES NOMINAL IN |
| Electrical Connection Type | TERMINAL BLOCK |
| Air Flow Rate | 56.000 CUBIC FEET PER MINUTE NOMINAL |
| Ambient Temp at Full Rated Power | 125.0 CELSIUS DEGC |
| Voltage in Volts and Current Type | 115.0 AC |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| PROPIMAX3B-763ZH | Rotron Incorporated (USA) |
| 6134532 | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
| 033779 PRIMARY | Rotron Incorporated (USA) |
NSN 4140-01-185-3741 is a Fan,tubeaxial, manufactured by Rotron Incorporated, classified under FSC 4140 (No Item Name Available). Status: active.
NSN 4140-01-185-3741 has 3 cross-referenced part numbers: PROPIMAX3B-763ZH (Rotron Incorporated), 6134532 (Lockheed Martin Corporation Div Rotary and Mission Systems), 033779 (Rotron Incorporated).
There are 2 known substitutes for 4140-01-185-3741: 4140-00-133-1780, 3030-01-307-7210. Verify interchangeability with system specifications before substitution.
Key specifications for 033779: Speed Adjustments: SINGLE SPEED; Prime Mover Drive Shaft Bearing Type: BALL; Flow Direction: OUTWARD; Operating Speed at Rated Capacity in RPM: 3450.0. 24 total characteristics are documented in the Federal Logistics Information System.