The Dynomometer, cataloged under National Stock Number 4920-00-085-7591, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is General Electric Company. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Dynomometer |
| FSC / FSG | 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment (FSG 49) |
| Manufacturers | General Electric Company (CAGE 07482); Janke & Company Inc Dba Electronic Brazing Co Div (CAGE 31682) |
| Parameter | Value |
|---|---|
| NSN | 4920-00-085-7591 |
| Primary Part Number | 21C2027-020 |
| Item Name | Dynomometer |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | V |
| Part Number | Manufacturer |
|---|---|
| 21C2027-020 PRIMARY | General Electric Company (USA) |
| 21C2027P020 | General Electric Company (USA) |
| 21C2027-020 PRIMARY | Janke & Company Inc Dba Electronic Brazing Co Div (USA) |
| Reference | Meaning |
|---|---|
| 9847427G2 | 5/9 Secondary reference General Electric Company |
| 591AS110-3 | 7/2 Vendor item drawing reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| 21C2027P020 | 5/9 Secondary reference General Electric Company |
| 9847427G2 | 5/2 Secondary reference U.S. Government activity |
NSN 4920-00-085-7591 is a Dynomometer, manufactured by General Electric Company, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-00-085-7591 has 3 manufacturer part numbers on file: 21C2027-020 (General Electric Company), 21C2027P020 (General Electric Company), 21C2027-020 (Janke & Company Inc Dba Electronic Brazing Co Div).
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.