The Fan,tubeaxial, cataloged under National Stock Number 4140-01-487-2159, is classified within Federal Supply Class 4140 (Fans, Air Circulators, and Blower Equipment) of the Refrigeration, AC, and Air Circulating Equipment group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-487-2159 |
| Item Name | Fan,tubeaxial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 2 THREADED INSERT |
| Flow Direction | OUTWARD |
| Surface Treatment Document and Classification | MIL-B-23071 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Drive Type | DIRECT |
| Material Document and Classification | MIL-B-23071 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Diameter | 5.890 INCHES MINIMUM AND 5.950 INCHES MAXIMUM IN |
| Surface Treatment | ALUMINUM OVERALL |
| Material | ALUMINUM ALLOY OVERALL |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 3270.0 CUBIC FEET PER MINUTE MINIMUM AND 5830.0 CUBIC FEET PER MINUTE MAXIMUM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 6849762-1 | 5/9 Secondary reference Eg and G Rotron Regenerative Blower Opns |
| 035549000 | 3/2 Design control — primary reference U.S. Government activity |
| SPR2919 | 5/9 Secondary reference Eg and G Rotron Regenerative Blower Opns |
| 6849762-1 | 5/9 Secondary reference Curtiss-Wright Controls Integrated Sensing, Inc. |
| 6849762-1 | 7/2 Vendor item drawing reference Naval Sea Systems Command |
| 035549 | 5/9 Secondary reference U.S. Government activity |
NSN 4140-01-487-2159 is a Fan,tubeaxial, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
Key specifications for 4140-01-487-2159: Mounting Facility Type and Quantity: 2 THREADED INSERT; Flow Direction: OUTWARD; Surface Treatment Document and Classification: MIL-B-23071 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Drive Type: DIRECT. 11 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.