The Fan,tubeaxial, cataloged under National Stock Number 4140-01-347-3342, 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 Shanghai Comairrotron Fan Co Ltd. Government technical data includes 21 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-347-3342 |
| Primary Part Number | PT3B3TDN |
| Item Name | Fan,tubeaxial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Shanghai Comairrotron Fan Co Ltd |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 2 RIM |
| Speed Adjustments | SINGLE SPEED |
| Phase | SINGLE |
| Frequency in Hertz | 50.0 AND 60.0 |
| Inclosure Type | FULLY INCLOSED |
| Length | 2.000 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 115.0 AC |
| Flow Direction | INWARD |
| Housing Inside Diameter | 6.000 INCHES NOMINAL IN |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 40.0 WATTS |
| Style Designator | FIXED |
| Operating Speed at Rated Capacity in RPM | 2850.0 |
| Material | ALUMINUM ALLOY HOUSING |
| Material | PLASTIC POLYCARBONATE BLADE |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| Prime Mover Drive Shaft Bearing Type | BALL |
| Electrical Connection Type | TERMINAL |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 200.0 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 |
| Part Number | Manufacturer |
|---|---|
| PT3B3TDN | Shanghai Comairrotron Fan Co Ltd (CHN) |
| Reference | Meaning |
|---|---|
| PT2B3TDN | 5/9 Secondary reference Kl Industries Inc |
| 854-053-90 | 5/9 Secondary reference Teradyne, Inc. Dba Teradyne Div Assembly Test Division |
| PT2B3TDN | 5/9 Secondary reference U.S. Government activity |
| 471-723-00 | 5/9 Secondary reference Teradyne, Inc. Dba Teradyne Div Assembly Test Division |
| 032402 | 5/9 Secondary reference U.S. Government activity |
| 032402 | 3/9 Design control — primary reference Comair Rotron Inc Sub of Kl Industries Inc |
NSN 4140-01-347-3342 is a Fan,tubeaxial, manufactured by Shanghai Comairrotron Fan Co Ltd, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-347-3342 has 1 manufacturer part number on file: PT3B3TDN (Shanghai Comairrotron Fan Co Ltd).
1 possible match (shared part number, not a government interchangeability claim): 6515-01-515-0512. Verify interchangeability with system specifications before substitution.
Key specifications for PT3B3TDN: Mounting Facility Type and Quantity: 2 RIM; Speed Adjustments: SINGLE SPEED; Phase: SINGLE; Frequency in Hertz: 50.0 AND 60.0. 21 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.