The Test Set,countermeasures Dispens, cataloged under National Stock Number 4920-01-412-0557, 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 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-412-0557 |
| Primary Part Number | 3389AS400-001 |
| Item Name | Test Set,countermeasures Dispens |
| 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 |
| Length | 20.500 INCHES NOMINAL IN |
| Height | 7.000 INCHES NOMINAL IN |
| Enclosure Feature | MULTIPLE ITEM W/CARRYING CASE |
| Width | 8.500 INCHES NOMINAL IN |
| Test Type for Which Designed | COUNT VALID FIRE PULSES WHILE SIMULATING THE DECOY PAYLOAD; SIMULATE PYROTECHNIC SQUIBS USED WITH EXPENDABLE DECOY PAYLOAD; PROVIDE SAFE ENERG DETECTION MODE CAPABLE OF 300MV DETECTION ON ANY FIRE LINES;MAGAZINE IDENTIFICATION (MAGID) TEST CIRCUITRY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL C — Remove/Demil Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 3389AS400-001 PRIMARY | Navy, United States Department of the Dba Naval Surface Warfare Center Div Naval Surface Warfare Center Crane Division (USA) |
| 3389AS400-001 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
NSN 4920-01-412-0557 is a Test Set,countermeasures Dispens, 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 4920-01-412-0557 has 2 manufacturer part numbers on file: 3389AS400-001 (Navy, United States Department of the Dba Naval Surface Warfare Center Div Naval Surface Warfare Center Crane Division), 3389AS400-001 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 3389AS400-001: Length: 20.500 INCHES NOMINAL IN; Height: 7.000 INCHES NOMINAL IN; Enclosure Feature: MULTIPLE ITEM W/CARRYING CASE; Width: 8.500 INCHES NOMINAL IN. 5 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 4920-01-412-0557 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.