The Guard,fan Impeller, cataloged under National Stock Number 4140-01-326-7033, 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 Siemens Energy, Inc. Dba Dresser-Rand. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4140-01-326-7033 |
| Primary Part Number | 11282589 |
| Item Name | Guard,fan Impeller |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Siemens Energy, Inc. Dba Dresser-Rand |
| Status | ACTIVE |
| 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 |
|---|---|
| 6309908-120 | Naval Sea Systems Command (USA) |
| 11282589 PRIMARY | Siemens Energy, Inc. Dba Dresser-Rand (USA) |
| Reference | Meaning |
|---|---|
| 11282589 | 5/9 Secondary reference U.S. Government activity |
| 11282589 | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions |
NSN 4140-01-326-7033 is a Guard,fan Impeller, manufactured by Siemens Energy, Inc. Dba Dresser-Rand, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-326-7033 has 2 manufacturer part numbers on file: 6309908-120 (Naval Sea Systems Command), 11282589 (Siemens Energy, Inc. Dba Dresser-Rand).
Key specifications for 11282589: Special Features: OVERALL DIA 13.030 IN.; IN; End Item Identification: 4310-01-281-2984. 0 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.