The Adapter Test,aircra, cataloged under National Stock Number 4920-01-591-6358, 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 Leidos Inc Dba Leidos Qtc Health Services Div Defense Systems. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Adapter Test,aircra |
| FSC / FSG | 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment (FSG 49) |
| Manufacturers | Leidos Inc Dba Leidos Qtc Health Services Div Defense Systems (CAGE 5UTP8) |
| Parameter | Value |
|---|---|
| NSN | 4920-01-591-6358 |
| Primary Part Number | 178AS995 |
| Item Name | Adapter Test,aircra |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Leidos Inc Dba Leidos Qtc Health Services Div Defense Systems |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 178AS995 PRIMARY | Leidos Inc Dba Leidos Qtc Health Services Div Defense Systems (USA) |
| Reference | Meaning |
|---|---|
| 178AS995 | 3/9 Design control — primary reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 4920-01-591-6358 is a Adapter Test,aircra, manufactured by Leidos Inc Dba Leidos Qtc Health Services Div Defense Systems, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-591-6358 has 1 manufacturer part number on file: 178AS995 (Leidos Inc Dba Leidos Qtc Health Services Div Defense Systems).
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 4920-01-591-6358 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.