The Light,cockpit,aircraft, cataloged under National Stock Number 6220-01-385-8438, is classified within Federal Supply Class 6220 (Electric Vehicular Lights and Fixtures) of the Lighting Fixtures and Lamps group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6220-01-385-8438 |
| Primary Part Number | 5M2578-002 |
| Item Name | Light,cockpit,aircraft |
| FSC / FSG | 6220 / 62 — Electric Vehicular Lights and Fixtures |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Mounting Base Width | 1.940 INCHES NOMINAL IN |
| Mounting Method | ANGLE BRACKET |
| Mounting Base Height | 1.000 INCHES NOMINAL IN |
| Lamp Base Type Accommodated | MOGUL SCREW |
| Mounting Base Length | 3.540 INCHES NOMINAL IN |
| Wiring Provision Method | CABLE |
| Lens Transparency | TRANSPARENT |
| Surface Treatment | LACQUER BODY |
| Lamp Type Accommodated and Quantity | 1 INCANDESCENT |
| Material | ALUMINUM ALLOY BODY |
| Voltage Rating in Volts | 6.0 AC MINIMUM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 5M2578-002 PRIMARY | The Boeing Company Div Defense (USA) |
| S2158-101 PRIMARY | Soderberg Manufacturing Company, Inc. Dba Soderberg Manufacturing (USA) |
| Reference | Meaning |
|---|---|
| 10150070 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 6220-01-385-8438 is a Light,cockpit,aircraft, manufactured by The Boeing Company Div Defense, classified under FSC 6220, Electric Vehicular Lights and Fixtures. Status: active.
NSN 6220-01-385-8438 has 2 manufacturer part numbers on file: 5M2578-002 (The Boeing Company Div Defense), S2158-101 (Soderberg Manufacturing Company, Inc. Dba Soderberg Manufacturing).
Key specifications for 5M2578-002: Mounting Base Width: 1.940 INCHES NOMINAL IN; Mounting Method: ANGLE BRACKET; Mounting Base Height: 1.000 INCHES NOMINAL IN; Lamp Base Type Accommodated: MOGUL SCREW. 11 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
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.