The Rotor Assembly,blower, cataloged under National Stock Number 2920-01-337-9007, is classified within Federal Supply Class 2920 (Engine Electrical System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Gichner Systems Group, Inc. Div C5isr Division. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Rotor Assembly,blower |
| FSC / FSG | 2920 — Engine Electrical System Components, Nonaircraft (FSG 29) |
| Manufacturers | Oshkosh Defense Llc (CAGE 75Q65); Gichner Systems Group, Inc. Div C5isr Division (CAGE 29381); Rolls-Royce Solutions America Inc (CAGE 72582) |
| Parameter | Value |
|---|---|
| NSN | 2920-01-337-9007 |
| Primary Part Number | 23503028 |
| Item Name | Rotor Assembly,blower |
| FSC / FSG | 2920 / 29 — Engine Electrical System Components, Nonaircraft |
| Manufacturer | Gichner Systems Group, Inc. Div C5isr Division |
| 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 |
|---|---|
| 2GH491 | Oshkosh Defense Llc (USA) |
| 23503028 PRIMARY | Gichner Systems Group, Inc. Div C5isr Division (USA) |
| 23503028 | Rolls-Royce Solutions America Inc (USA) |
| Reference | Meaning |
|---|---|
| 23502495 | 5/9 Secondary reference Rolls-Royce Solutions America Inc |
| 2GH491 | 5/9 Secondary reference Oshkosh Corp |
NSN 2920-01-337-9007 is a Rotor Assembly,blower, manufactured by Gichner Systems Group, Inc. Div C5isr Division, classified under FSC 2920, Engine Electrical System Components, Nonaircraft. Status: active.
NSN 2920-01-337-9007 has 3 manufacturer part numbers on file: 2GH491 (Oshkosh Defense Llc), 23503028 (Gichner Systems Group, Inc. Div C5isr Division), 23503028 (Rolls-Royce Solutions America Inc).
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.