The Test Station,electrical-Electron, cataloged under National Stock Number 4920-01-477-9987, 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 Navy, United States Department of the Dba Naval Surface Warfare Center Div Naval Surface Warfare Center Crane Division. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-477-9987 |
| Primary Part Number | 1228SAV51055-5 |
| Item Name | Test Station,electrical-Electron |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Navy, United States Department of the Dba Naval Surface Warfare Center Div Naval Surface Warfare Center Crane Division |
| Status | ACTIVE |
| Criticality Code Justification | AGAV |
| Nonsupply Items and Quantities | COOLANOL BAY 1, TEST CONTROL BAY 1, EQUIPMENT AND STORAGE BAY 1, CABLE ASSEMBLIES 6 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 1228SAV51055-5 PRIMARY | Navy, United States Department of the Dba Naval Surface Warfare Center Div Naval Surface Warfare Center Crane Division (USA) |
| Reference | Meaning |
|---|---|
| 1128SAV51055-5 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| 1128SAV51055-5 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation |
NSN 4920-01-477-9987 is a Test Station,electrical-Electron, manufactured by Navy, United States Department of the Dba Naval Surface Warfare Center Div Naval Surface Warfare Center Crane Division, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-477-9987 has 1 manufacturer part number on file: 1228SAV51055-5 (Navy, United States Department of the Dba Naval Surface Warfare Center Div Naval Surface Warfare Center Crane Division).
Key specifications for 1228SAV51055-5: Criticality Code Justification: AGAV; Nonsupply Items and Quantities: COOLANOL BAY 1, TEST CONTROL BAY 1, EQUIPMENT AND STORAGE BAY 1, CABLE ASSEMBLIES 6; Special Features: REPLACES ITEM 2670 DUE TO ALL ALQ-99 TRANSMITTER DIELECTRIC TRANSITION FROM COOLANOL 35 TO PAO; CONTAINS ALL NECESSARY STRUCTURE TO PERMIT INSTALLATION OF PANELS, HARNESSES, AND DUCTING; End Item Identification: AIRCRAFT. 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 4920-01-477-9987 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.