The Lamp,incandescent, cataloged under National Stock Number 6240-01-563-5578, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. The manufacturer of record is General Motors Llc Dba General Motors Llc. Government technical data includes 7 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6240-01-563-5578 |
| Primary Part Number | 20998089 |
| Item Name | Lamp,incandescent |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Manufacturer | General Motors Llc Dba General Motors Llc |
| Status | ACTIVE |
| Filament Designation | C-6 |
| Rated Average Life | HOURS |
| Bulb Diameter | 1.020 INCHES NOMINAL IN |
| Bulb Style | GT (GLOBULAR TUBULAR) |
| Current Rating for Which Designed | 2.100 AMPERES NOMINAL |
| Voltage Rating | 12.800 VOLTS NOMINAL |
| Average Life Rating in Hours | 2000.0 |
| 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 |
|---|---|
| 3157K | General Electric Company Dba Ge (USA) |
| 20998089 PRIMARY | General Motors Llc Dba General Motors Llc (USA) |
| Reference | Meaning |
|---|---|
| 13502322 | 3/9 Design control — primary reference General Motors Corp |
| 3157K | 5/9 Secondary reference General Motors Corp AC-Delco Div Government Order Dept |
| 13502322 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
| 3157K | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
NSN 6240-01-563-5578 is a Lamp,incandescent, manufactured by General Motors Llc Dba General Motors Llc, classified under FSC 6240, Electric Lamps. Status: active.
NSN 6240-01-563-5578 has 2 manufacturer part numbers on file: 3157K (General Electric Company Dba Ge), 20998089 (General Motors Llc Dba General Motors Llc).
Key specifications for 20998089: Filament Designation: C-6; Rated Average Life: HOURS; Bulb Diameter: 1.020 INCHES NOMINAL IN; Overall Length: 1.700 INCHES NOMINAL IN. 7 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.