The Lamp,incandescent, cataloged under National Stock Number 6240-00-155-7922, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. The manufacturer of record is Finnigan Corporation. Government technical data includes 14 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6240-00-155-7922 |
| Primary Part Number | 87-0138 |
| Item Name | Lamp,incandescent |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Manufacturer | Finnigan Corporation |
| Status | ACTIVE |
| Bulb Light Transmission Characteristic | TRANSPARENT |
| Filament Designation | C-2V V |
| Base Style | SINGLE CONTACT BAYONET CANDELABRA |
| Rated Average Life | HOURS |
| Bulb Designator | S-11 |
| Filament Heavy Duty Service Rating | NOT RATED |
| Wattage Rating | 25.200 WATTS |
| Emitted Light Characteristic | COLORLESS |
| Light Center Length | 1.250 INCHES NOMINAL IN |
| Bulb Style | S (STRAIGHT SIDE) |
| Light Intensity Distribution Feature | REFLECTIVE BOWL |
| Current Rating for Which Designed | 0.900 AMPERES NOMINAL |
| Voltage Rating | 28.000 VOLTS NOMINAL |
| Average Life Rating in Hours | 300.0 |
| 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 |
|---|---|
| 87-0138 | Finnigan Corporation (USA) |
| Reference | Meaning |
|---|---|
| 309SE | 5/9 Secondary reference General Electric Co Miniature Lamp Products Dept Lighting Business Group |
| WL111 | 4/1 Identification reference U.S. Government activity |
| 309SB | 3/1 Design control — primary reference Lamp Industry for Use with Industry Designations and Abbreviations for Lamps |
NSN 6240-00-155-7922 is a Lamp,incandescent, manufactured by Finnigan Corporation, classified under FSC 6240, Electric Lamps. Status: active.
NSN 6240-00-155-7922 has 1 manufacturer part number on file: 87-0138 (Finnigan Corporation).
Key specifications for 87-0138: Bulb Light Transmission Characteristic: TRANSPARENT; Filament Designation: C-2V V; Base Style: SINGLE CONTACT BAYONET CANDELABRA; Rated Average Life: HOURS. 14 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.