The Fan,tubeaxial, cataloged under National Stock Number 4140-01-026-1856, 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 Northrop Grumman Support Services Corp. Government technical data includes 15 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4140-01-026-1856 |
| Primary Part Number | 138C486H01 |
| Item Name | Fan,tubeaxial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Northrop Grumman Support Services Corp |
| Status | ACTIVE |
| Phase | SINGLE |
| Frequency in Hertz | 50.0 AND 60.0 |
| Inclosure Type | PARTIALLY INCLOSED |
| Length | 1.500 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 115.000 AC |
| Flow Direction | OUTWARD |
| Housing Inside Diameter | 4.500 INCHES NOMINAL IN |
| Drive Type | DIRECT |
| Style Designator | FIXED |
| Diameter | 4.500 INCHES NOMINAL IN |
| Operating Speed at Rated Capacity in RPM | 3300.0 |
| Material | PLASTIC BLADE |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| Electrical Connection Type | TERMINAL |
| 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 |
|---|---|
| 138C486H01 | Northrop Grumman Support Services Corp (USA) |
| Reference | Meaning |
|---|---|
| 138C486H01 | 5/9 Secondary reference U.S. Government activity |
| 027643 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4140-01-026-1856 is a Fan,tubeaxial, manufactured by Northrop Grumman Support Services Corp, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-026-1856 has 1 manufacturer part number on file: 138C486H01 (Northrop Grumman Support Services Corp).
Key specifications for 138C486H01: Phase: SINGLE; Frequency in Hertz: 50.0 AND 60.0; Inclosure Type: PARTIALLY INCLOSED; Length: 1.500 INCHES NOMINAL IN. 15 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.