The Lamp,incandescent, cataloged under National Stock Number 6240-00-062-7078, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. The manufacturer of record is Gte Products Corp Metal Laminates Div. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6240-00-062-7078 |
| Primary Part Number | 18ESB |
| Item Name | Lamp,incandescent |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Manufacturer | Gte Products Corp Metal Laminates Div |
| Status | ACTIVE |
| Bulb Light Transmission Characteristic | TRANSPARENT |
| Filament Designation | C-2F |
| Base Style | TELEPHONE SLIDE NUMBER FIVE |
| Rated Average Life | HOURS |
| Bulb Designator | T-2 |
| Filament Heavy Duty Service Rating | NOT RATED |
| Wattage Rating | 0.720 WATTS |
| Emitted Light Characteristic | COLORLESS |
| Light Output Rating | 1000.000 END FOOTCANDLES NOMINAL SINGLE RATING |
| Bulb Style | T (TUBULAR) |
| Current Rating for Which Designed | 0.040 AMPERES NOMINAL |
| Voltage Rating | 18.000 VOLTS NOMINAL |
| Average Life Rating in Hours | 10000.0 |
| 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 |
|---|---|
| 18ESB | Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron (USA) |
| OL-18ESB | Oshino Lamps Ltd. (JPN) |
| 18ESB PRIMARY | Gte Products Corp Metal Laminates Div (USA) |
| Reference | Meaning |
|---|---|
| 18ESB | 5/9 Secondary reference General Electric Co Miniature Lamp Products Dept Lighting Business Group |
| 18ESB | 5/2 Secondary reference U.S. Government activity |
| 92629000-001 | 5/9 Secondary reference General Dynamics Information Systems Inc Gdis Div |
| 18ESB | 5/9 Secondary reference Shelly Associates Inc. |
| OL-18ESB | 5/9 Secondary reference Oshino Lamps Ltd. |
| 18ESB | 3/1 Design control — primary reference Lamp Industry for Use with Industry Designations and Abbreviations for Lamps |
NSN 6240-00-062-7078 is a Lamp,incandescent, manufactured by Gte Products Corp Metal Laminates Div, classified under FSC 6240, Electric Lamps. Status: active.
NSN 6240-00-062-7078 has 3 manufacturer part numbers on file: 18ESB (Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron), OL-18ESB (Oshino Lamps Ltd.), 18ESB (Gte Products Corp Metal Laminates Div).
Key specifications for 18ESB: Bulb Light Transmission Characteristic: TRANSPARENT; Filament Designation: C-2F; Base Style: TELEPHONE SLIDE NUMBER FIVE; Rated Average Life: HOURS. 13 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.