The Lamp,incandescent, cataloged under National Stock Number 6240-01-071-9997, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. The manufacturer of record is Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6240-01-071-9997 |
| Primary Part Number | 915 |
| Item Name | Lamp,incandescent |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Manufacturer | Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch |
| Status | ACTIVE |
| Bulb Light Transmission Characteristic | TRANSLUCENT |
| Filament Designation | C-2R |
| Base Style | MIDGET FLANGED |
| Rated Average Life | HOURS |
| Bulb Designator | T-1 |
| Features Provided | PREAGED LAMP |
| Filament Heavy Duty Service Rating | NOT RATED |
| Emitted Light Characteristic | RED, AVIATION, MIL-C-25050 TYPE 1 |
| Light Output Rating | 0.033 SPHERICAL CANDLEPOWER MINIMUM SINGLE RATING |
| Light Center Length | 0.180 INCHES NOMINAL IN |
| Bulb Style | T (TUBULAR) |
| Current Rating for Which Designed | 0.115 AMPERES NOMINAL |
| Voltage Rating | 5.000 VOLTS NOMINAL |
| Average Life Rating in Hours | 4000.0 |
| 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 |
|---|---|
| 915 PRIMARY | Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch (USA) |
| CM718-814 PRIMARY | Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron (USA) |
| Reference | Meaning |
|---|---|
| 718-500 | 5/9 Secondary reference Shelly Associates Inc. |
NSN 6240-01-071-9997 is a Lamp,incandescent, manufactured by Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch, classified under FSC 6240, Electric Lamps. Status: active.
NSN 6240-01-071-9997 has 2 manufacturer part numbers on file: 915 (Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch), CM718-814 (Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron).
1 possible match (shared part number, not a government interchangeability claim): 2530-01-077-6379. Verify interchangeability with system specifications before substitution.
Key specifications for 915: Bulb Light Transmission Characteristic: TRANSLUCENT; Filament Designation: C-2R; Base Style: MIDGET FLANGED; 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.