The Fan,vaneaxial, cataloged under National Stock Number 4140-00-987-7532, 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 Dynamic Air Engineering, Inc.. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-00-987-7532 |
| Primary Part Number | M6671B-1C |
| Item Name | Fan,vaneaxial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Dynamic Air Engineering, Inc. |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 2 FLANGE |
| Flow Direction | INWARD |
| Housing Inside Diameter | 6.750 INCHES MINIMUM AND 6.755 INCHES MAXIMUM IN |
| Drive Type | DIRECT |
| Quantity | 1 |
| Style Designator | FIXED |
| Diameter | 6.665 INCHES MINIMUM AND 6.670 INCHES MAXIMUM IN |
| Stage Quantity | 1 |
| Surface Treatment | LACQUER OVERALL |
| Material | ALUMINUM ALLOY OVERALL |
| Prime Mover Type | HYDRAULIC MOTOR |
| Rotation Direction for Which Designed | CLOCKWISE |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 1000.0 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 |
|---|---|
| M6671B-1C PRIMARY | Dynamic Air Engineering, Inc. (USA) |
| A86C35 PRIMARY | Grimes Aerospace Company (USA) |
| 114HS106-5 | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| 114HS106-5 | 5/2 Secondary reference U.S. Government activity |
NSN 4140-00-987-7532 is a Fan,vaneaxial, manufactured by Dynamic Air Engineering, Inc., classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-00-987-7532 has 3 manufacturer part numbers on file: M6671B-1C (Dynamic Air Engineering, Inc.), A86C35 (Grimes Aerospace Company), 114HS106-5 (The Boeing Company).
Key specifications for M6671B-1C: Mounting Facility Type and Quantity: 2 FLANGE; Flow Direction: INWARD; Housing Inside Diameter: 6.750 INCHES MINIMUM AND 6.755 INCHES MAXIMUM IN; Drive Type: DIRECT. 14 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.