The Impeller,fan,centrifugal, cataloged under National Stock Number 4140-01-168-4308, 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 Rotron Incorporated. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-168-4308 |
| Primary Part Number | 1015-3 |
| Item Name | Impeller,fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Rotron Incorporated |
| Status | ACTIVE |
| Mounting Hole Quantity | 2 |
| Style Designator | STRAIGHT BLADES SINGLE WIDTH |
| Attachment Method | BOLT HOLE AND KEYWAY |
| Mounting Hole Diameter | 0.313 INCHES NOMINAL IN |
| Diameter | 12.000 INCHES NOMINAL IN |
| Blade Quantity | 18 |
| Mounting Bolt Circle Diameter | 2.000 INCHES NOMINAL IN |
| Width | 2.680 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY OVERALL |
| 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 |
|---|---|
| 1015-3 PRIMARY | Rotron Incorporated (USA) |
| Reference | Meaning |
|---|---|
| 1015-1 | 5/9 Secondary reference Rotron Incorporated |
| 0102033-1 | 7/2 Vendor item drawing reference Niwc Pacific San Diego Navy Erp Dba Naval Information Warfare Center Pacific Div Naval Information Warfare Center Pacific |
NSN 4140-01-168-4308 is a Impeller,fan,centrifugal, manufactured by Rotron Incorporated, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-168-4308 has 1 manufacturer part number on file: 1015-3 (Rotron Incorporated).
Key specifications for 1015-3: Mounting Hole Quantity: 2; Style Designator: STRAIGHT BLADES SINGLE WIDTH; Attachment Method: BOLT HOLE AND KEYWAY; Mounting Hole Diameter: 0.313 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.