The Rotor Assembly,blower R H, cataloged under National Stock Number 2990-01-059-0710, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Rolls-Royce Solutions America Inc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2990-01-059-0710 |
| Primary Part Number | 5144778 |
| Item Name | Rotor Assembly,blower R H |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Rolls-Royce Solutions America Inc |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM ROTOR,STEEL SHAFT;PLUGS AND PINS,20.125 IN. O/A LG;5.812 IN. OD SHAFT EXTENSIONS;BOTH ENDS SERRATED,1.000 IN. DIA;16.000 IN. ROTOR LG IN |
| 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 |
|---|---|
| 5144778 PRIMARY | Rolls-Royce Solutions America Inc (USA) |
| Reference | Meaning |
|---|---|
| 2990000576941 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 2990-01-059-0710 is a Rotor Assembly,blower R H, manufactured by Rolls-Royce Solutions America Inc, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-059-0710 has 1 manufacturer part number on file: 5144778 (Rolls-Royce Solutions America Inc).
Key specifications for 5144778: General Characteristics Item Description: ALUMINUM ROTOR,STEEL SHAFT;PLUGS AND PINS,20.125 IN. O/A LG;5.812 IN. OD SHAFT EXTENSIONS;BOTH ENDS SERRATED,1.000 IN. DIA;16.000 IN. ROTOR LG IN. 1 specification is 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.