The Fan,tubeaxial, cataloged under National Stock Number 4140-00-269-1672, 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 Raytheon Co. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4140-00-269-1672 |
| Primary Part Number | 37654222-002 |
| Item Name | Fan,tubeaxial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Raytheon Co |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 THREADED HOLE(S) |
| Frequency in Hertz | 50.0 AND 60.0 |
| Length | 1.500 INCHES NOMINAL IN |
| Flow Direction | OUTWARD |
| Drive Type | DIRECT |
| Style Designator | FIXED |
| Height | 4.680 INCHES NOMINAL IN |
| Width | 4.680 INCHES NOMINAL IN |
| Rotation Direction for Which Designed | CLOCKWISE |
| 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 |
|---|---|
| 37654222-002 PRIMARY | Raytheon Co (USA) |
| Reference | Meaning |
|---|---|
| 37654222-002 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| BS2107F2-1 | 5/9 Secondary reference Curtiss-Wright Controls Integrated Sensing, Inc. |
NSN 4140-00-269-1672 is a Fan,tubeaxial, manufactured by Raytheon Co, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-00-269-1672 has 1 manufacturer part number on file: 37654222-002 (Raytheon Co).
Key specifications for 37654222-002: Mounting Facility Type and Quantity: 4 THREADED HOLE(S); Frequency in Hertz: 50.0 AND 60.0; Length: 1.500 INCHES NOMINAL IN; Flow Direction: OUTWARD. 9 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.