The Test Set,fire Control System, cataloged under National Stock Number 4920-01-040-1643, 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. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-040-1643 |
| Primary Part Number | 160D997125 |
| Item Name | Test Set,fire Control System |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Reference Data and Literature | T.O. 33D5-12-218-1 |
| Functional Description | USED TO MONITOR INTERFACES OF THE ARMAMENT CONTROL SYSTEM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 160D997125 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 160D997125 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 4920-01-040-1643 is a Test Set,fire Control System, manufactured by Northrop Grumman Systems Corporation, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-040-1643 has 1 manufacturer part number on file: 160D997125 (Northrop Grumman Systems Corporation).
Key specifications for 160D997125: Reference Data and Literature: T.O. 33D5-12-218-1; Functional Description: USED TO MONITOR INTERFACES OF THE ARMAMENT CONTROL SYSTEM; End Item Identification: A-10A ACFT AGT A. 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 4920-01-040-1643 has DEMIL Code Q. 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.