The Test Set Group,countermeasures, cataloged under National Stock Number 4920-01-541-0399, 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 Northrop Grumman Systems Corporation Dba Electronic Systems. Government technical data includes 7 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-541-0399 |
| Primary Part Number | 3D23071G03 |
| Item Name | Test Set Group,countermeasures |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Northrop Grumman Systems Corporation Dba Electronic Systems |
| Status | ACTIVE |
| Relationship to Similar Equipment | TCTO REHOST MOD OF 3D23071G01 |
| Unpackaged Unit Length | 33.000 INCHES NOMINAL IN |
| Criticality Code Justification | AGAV |
| Reference Data and Literature | TCTO 33D7-13-110-510 |
| Portability Method | BRAKE TYPE CASTERS |
| Unpackaged Unit Width | 28.000 INCHES NOMINAL IN |
| Unpackaged Unit Height | 70.000 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL C — Remove/Demil Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 3D23071G03 PRIMARY | Northrop Grumman Systems Corporation Dba Electronic Systems (USA) |
NSN 4920-01-541-0399 is a Test Set Group,countermeasures, manufactured by Northrop Grumman Systems Corporation Dba Electronic Systems, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-541-0399 has 1 manufacturer part number on file: 3D23071G03 (Northrop Grumman Systems Corporation Dba Electronic Systems).
Key specifications for 3D23071G03: Relationship to Similar Equipment: TCTO REHOST MOD OF 3D23071G01; Unpackaged Unit Length: 33.000 INCHES NOMINAL IN; Criticality Code Justification: AGAV; Reference Data and Literature: TCTO 33D7-13-110-510. 7 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 4920-01-541-0399 has DEMIL Code C. 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.