The Fan,tubeaxial, cataloged under National Stock Number 4140-01-074-2219, 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 Niwc Pacific San Diego Navy Erp Dba Naval Information Warfare Center Pacific Div Naval Information Warfare Center Pacific. Government technical data includes 30 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-074-2219 |
| Primary Part Number | 23-790834-1 |
| Item Name | Fan,tubeaxial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Niwc Pacific San Diego Navy Erp Dba Naval Information Warfare Center Pacific Div Naval Information Warfare Center Pacific |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) |
| Speed Adjustments | SINGLE SPEED |
| Phase | SINGLE |
| Frequency in Hertz | 47.0 AND 440.0 |
| Inclosure Type | FULLY INCLOSED |
| Length | 1.500 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 115.0 AC |
| Flow Direction | OUTWARD |
| Surface Treatment Document and Classification | 23-808622-1,FSCM 07397 MFR REF 1ST TREATMENT RESPONSE BLADE |
| Surface Treatment Document and Classification | MIL-B-23071 MIL SPEC 2ND TREATMENT RESPONSE HOUSING |
| Housing Inside Diameter | 3.438 INCHES NOMINAL IN |
| Drive Type | DIRECT |
| Style Designator | FIXED |
| Material Document and Classification | 23-808622-1,FSCM 07397 MFR REF 1ST MATERIAL RESPONSE BLADE |
| Material Document and Classification | MIL-B-23071 MIL SPEC 2ND MATERIAL RESPONSE HOUSING |
| Ambient Temp at Full Rated Power | -28.0 CELSIUS AND 65.0 CELSIUS DEGC |
| Height | 3.625 INCHES NOMINAL IN |
| Operating Speed at Rated Capacity in RPM | 2900.0 |
| Surface Treatment | ENAMEL HOUSING |
| Surface Treatment | PLASTIC BLADE |
| Environmental Protection | CORROSION RESISTANT AND MOISTURE RESISTANT AND SHOCK PROOF AND VIBRATION PROOF |
| Width | 3.625 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY HOUSING |
| Material | PLASTIC POLYCARBONATE BLADE |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | CLOCKWISE |
| Prime Mover Drive Shaft Bearing Type | BALL |
| Electrical Connection Type | WIRE LEAD |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 40.0 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 |
|---|---|
| 23-790834-1 PRIMARY | Niwc Pacific San Diego Navy Erp Dba Naval Information Warfare Center Pacific Div Naval Information Warfare Center Pacific (USA) |
| Reference | Meaning |
|---|---|
| 2MBC2206F-6 | 5/9 Secondary reference Selco Products Inc |
| 23-790834-1 | 3/9 Design control — primary reference General Dynamics Advanced Information Systems Inc. Dba General Dynamics Advanced Information Systems |
NSN 4140-01-074-2219 is a Fan,tubeaxial, manufactured by Niwc Pacific San Diego Navy Erp Dba Naval Information Warfare Center Pacific Div Naval Information Warfare Center Pacific, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-074-2219 has 1 manufacturer part number on file: 23-790834-1 (Niwc Pacific San Diego Navy Erp Dba Naval Information Warfare Center Pacific Div Naval Information Warfare Center Pacific).
Key specifications for 23-790834-1: Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S); Speed Adjustments: SINGLE SPEED; Phase: SINGLE; Frequency in Hertz: 47.0 AND 440.0. 30 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.