The Impeller,fan,axial, cataloged under National Stock Number 4140-01-186-9980, 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 4 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-186-9980 |
| Item Name | Impeller,fan,axial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Status | ACTIVE |
| Style Designator | STRAIGHT TIP |
| Attachment Method | KEYWAY |
| Blade Quantity | 2 |
| Material | PLASTIC OVERALL |
| 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 |
|---|---|
| C51A0000AB1 | 5/9 Secondary reference General Electric Co Outdoor Breaker Business Section |
| C51A0000A51 | C/1 Advisory reference — outside the item-of-supply concept General Electric Co Outdoor Breaker Business Section |
| 5K4444B12N2 | 5/9 Secondary reference General Electric Co Outdoor Breaker Business Section |
| 149C4251G02 | 3/9 Design control — primary reference General Electric Co Outdoor Breaker Business Section |
| 3300F10A8306A PIECE 34 | 5/9 Secondary reference General Electric Co Outdoor Breaker Business Section |
NSN 4140-01-186-9980 is a Impeller,fan,axial, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 6105-01-305-7291. Verify interchangeability with system specifications before substitution.
Key specifications for 4140-01-186-9980: Style Designator: STRAIGHT TIP; Attachment Method: KEYWAY; Blade Quantity: 2; End Item Identification: MOTOR,AC,GENERAL ELECTRIC CO 440 VOLTS. 4 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.