The Amplifier and Harmonic Generator, cataloged under National Stock Number 4920-01-026-2021, 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 Drs Codem Systems, Inc Div Drs Codem Systems, Inc. (west). Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-026-2021 |
| Primary Part Number | 6049-04 |
| Item Name | Amplifier and Harmonic Generator |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Drs Codem Systems, Inc Div Drs Codem Systems, Inc. (west) |
| Status | ACTIVE |
| Model Number | 6049-04 |
| General Characteristics Item Description | 28.0 VDC; 100 MTZ; ELECTRICAL RECEPTACLE CONNECTION; 4.528 IN. LG; 1.500 IN. H VDC |
| 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 |
|---|---|
| 6049-04 PRIMARY | Drs Codem Systems, Inc Div Drs Codem Systems, Inc. (west) (USA) |
| Reference | Meaning |
|---|---|
| 247ASC2404-001 | 7/2 Vendor item drawing reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 4920-01-026-2021 is a Amplifier and Harmonic Generator, manufactured by Drs Codem Systems, Inc Div Drs Codem Systems, Inc. (west), classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-026-2021 has 1 manufacturer part number on file: 6049-04 (Drs Codem Systems, Inc Div Drs Codem Systems, Inc. (west)).
1 possible match (shared part number, not a government interchangeability claim): 5930-01-613-6974. Verify interchangeability with system specifications before substitution.
Key specifications for 6049-04: Model Number: 6049-04; General Characteristics Item Description: 28.0 VDC; 100 MTZ; ELECTRICAL RECEPTACLE CONNECTION; 4.528 IN. LG; 1.500 IN. H VDC; End Item Identification: VERSATILE AVIONICS SHOP TEST (VAST) SYSTEM. 2 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 4920-01-026-2021 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.