The Impeller,fan,axial, cataloged under National Stock Number 2930-01-376-5650, is classified within Federal Supply Class 2930 (Engine Cooling System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Walker Power Systems, Inc. Dba Tiernay Turbines. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2930-01-376-5650 |
| Primary Part Number | 212740-1 |
| Item Name | Impeller,fan,axial |
| FSC / FSG | 2930 / 29 — Engine Cooling System Components, Nonaircraft |
| Manufacturer | Walker Power Systems, Inc. Dba Tiernay Turbines |
| Status | ACTIVE |
| Mounting Hole Quantity | 12 |
| Attachment Method | BOLT HOLE |
| Diameter | 8.250 INCHES NOMINAL IN |
| Blade Quantity | 62 |
| Hub Location | FRONT |
| Width | 1.460 INCHES NOMINAL IN |
| Rotation Direction for Which Designed | CLOCKWISE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 212740-1 PRIMARY | Walker Power Systems, Inc. Dba Tiernay Turbines (USA) |
| Reference | Meaning |
|---|---|
| 274848 | 5/9 Secondary reference U.S. Government activity |
NSN 2930-01-376-5650 is a Impeller,fan,axial, manufactured by Walker Power Systems, Inc. Dba Tiernay Turbines, classified under FSC 2930, Engine Cooling System Components, Nonaircraft. Status: active.
NSN 2930-01-376-5650 has 1 manufacturer part number on file: 212740-1 (Walker Power Systems, Inc. Dba Tiernay Turbines).
Key specifications for 212740-1: Mounting Hole Quantity: 12; Attachment Method: BOLT HOLE; Diameter: 8.250 INCHES NOMINAL IN; Blade Quantity: 62. 7 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.
NSN 2930-01-376-5650 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.