The Impeller,fan,axial, cataloged under National Stock Number 4140-00-679-8630, 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 Lucent Technologies Inc Corporate Headquarters. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-00-679-8630 |
| Primary Part Number | 154685 |
| Item Name | Impeller,fan,axial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Lucent Technologies Inc Corporate Headquarters |
| Status | ACTIVE |
| Mounting Hole Quantity | 1 |
| Style Designator | STRAIGHT TIP |
| Attachment Method | BOLT HOLE |
| Mounting Hole Diameter | 0.375 INCHES NOMINAL IN |
| Diameter | 3.500 INCHES NOMINAL IN |
| Blade Quantity | 16 |
| Hub Location | FRONT |
| Material | STEEL OVERALL |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| 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 |
|---|---|
| 154685 PRIMARY | Lucent Technologies Inc Corporate Headquarters (USA) |
| Reference | Meaning |
|---|---|
| TP154685 | 5/9 Secondary reference Teleprinter Corp of America |
| 154685 | 3/9 Design control — primary reference Telemechanics Inc |
| 154685 | 5/9 Secondary reference American Telephone and Telegraph Co |
| 154685 | 5/9 Secondary reference Lucent Technologies Inc Dba Federal Marketing Group |
NSN 4140-00-679-8630 is a Impeller,fan,axial, manufactured by Lucent Technologies Inc Corporate Headquarters, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-00-679-8630 has 1 manufacturer part number on file: 154685 (Lucent Technologies Inc Corporate Headquarters).
Key specifications for 154685: Mounting Hole Quantity: 1; Style Designator: STRAIGHT TIP; Attachment Method: BOLT HOLE; Mounting Hole Diameter: 0.375 INCHES NOMINAL IN. 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.