The Impeller,fan,centrifugal, cataloged under National Stock Number 4140-01-238-9219, 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 Reliance Electric Company Dba Reliance & Dodge Brands. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-238-9219 |
| Primary Part Number | SK30204-16BB |
| Item Name | Impeller,fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Reliance Electric Company Dba Reliance & Dodge Brands |
| Status | ACTIVE |
| Diameter | 17.000 INCHES NOMINAL IN |
| Blade Quantity | 18 |
| Width | 6.375 INCHES NOMINAL IN |
| Material | ALUMINUM 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 |
|---|---|
| SK30204-16BB PRIMARY | Reliance Electric Company Dba Reliance & Dodge Brands (USA) |
| Reference | Meaning |
|---|---|
| SK30204-16BB | 3/9 Design control — primary reference Reliance Electric |
NSN 4140-01-238-9219 is a Impeller,fan,centrifugal, manufactured by Reliance Electric Company Dba Reliance & Dodge Brands, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-238-9219 has 1 manufacturer part number on file: SK30204-16BB (Reliance Electric Company Dba Reliance & Dodge Brands).
Key specifications for SK30204-16BB: Diameter: 17.000 INCHES NOMINAL IN; Blade Quantity: 18; Special Features: FOR COOLING MOTOR ARMATURE; Width: 6.375 INCHES NOMINAL IN. 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.