The Lamp,incandescent, cataloged under National Stock Number 6240-00-155-8707, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. The manufacturer of record is Hensoldt Sensors Gmbh Div Seps. Government technical data includes 17 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through both NSN and commercial part number lookups. 48 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 6240-00-155-8707 |
| Primary Part Number | 5L5811-001-40 |
| Item Name | Lamp,incandescent |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Manufacturer | Hensoldt Sensors Gmbh Div Seps |
| Status | CANCELLED |
| Bulb Light Transmission Characteristic | TRANSLUCENT |
| Filament Designation | C-2F |
| Base Style | SINGLE CONTACT BAYONET CANDELABRA |
| Rated Average Life | HOURS |
| Bulb Diameter | 0.430 INCHES MAXIMUM IN |
| Bulb Designator | T-3 1/4 |
| Burning Position | VERTICAL |
| Filament Heavy Duty Service Rating | NOT RATED |
| Specification/standard Data | 96906-MS25231-1819 GOVERNMENT STANDARD |
| Wattage Rating | 1.960 WATTS |
| Emitted Light Characteristic | COLORLESS |
| Light Output Rating | 0.340 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING |
| Light Center Length | 0.625 INCHES MAXIMUM IN |
| Bulb Style | T (TUBULAR) |
| Current Rating for Which Designed | 0.040 AMPERES NOMINAL |
| Voltage Rating | 28.000 VOLTS NOMINAL |
| Average Life Rating in Hours | 1000.0 |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 5L5811-001-40 | Hensoldt Sensors Gmbh Div Seps (DEU) |
| 4149000-014 | Raytheon Company Div Rmd Strategic (USA) |
| Reference | Meaning |
|---|---|
| 6240001558707 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| MS2531-1819 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 1819 | 5/1 Secondary reference Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron |
| 50L SW-193L PC-33 | C/1 Advisory reference — outside the item-of-supply concept Hose-Mccann Telephone Co, Inc |
| 277-1001 | 5/1 Secondary reference Raytheon Company Dba Raytheon Co |
| PL1889386 IT. 34 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation |
| 813INC1819 | 5/9 Secondary reference Cordell Engineering Inc |
| 73243 | 5/1 Secondary reference U.S. Government activity |
| 87-0362 | 5/1 Secondary reference Finnigan Corporation |
| 1819 | C/1 Advisory reference — outside the item-of-supply concept General Electric Co Miniature Lamp Products Dept Lighting Business Group |
| 956C772-9 | 5/1 Secondary reference U.S. Government activity |
| H149000-14 | 5/1 Secondary reference Raytheon Company Div Rmd Strategic |
| 277M0014P010 | 5/9 Secondary reference Raytheon Company Div Corp |
| 1819 | C/1 Advisory reference — outside the item-of-supply concept Lockheed Martin Corporation Div Rms - Mitchel Field |
| 6240001558707 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 1819 | 5/9 Secondary reference U.S. Government activity |
| W-L-00111 | 5/9 Secondary reference U.S. Government activity |
| 3901-186346 | 5/1 Secondary reference U.S. Government activity |
| 27F230 | 5/1 Secondary reference Newark Electronics Corporation Dba Newark |
| 1819 | 5/9 Secondary reference Micro Display Devices Ltd |
NSN 6240-00-155-8707 is a Lamp,incandescent, manufactured by Hensoldt Sensors Gmbh Div Seps, classified under FSC 6240, Electric Lamps. Status: cancelled.
NSN 6240-00-155-8707 has 2 manufacturer part numbers on file: 5L5811-001-40 (Hensoldt Sensors Gmbh Div Seps), 4149000-014 (Raytheon Company Div Rmd Strategic).
8 possible matches (shared part number, not a government interchangeability claim): 6240-00-155-8714, 3110-00-156-1929, 5905-00-158-4615. Verify interchangeability with system specifications before substitution.
Key specifications for 5L5811-001-40: Bulb Light Transmission Characteristic: TRANSLUCENT; Filament Designation: C-2F; Base Style: SINGLE CONTACT BAYONET CANDELABRA; Rated Average Life: HOURS. 17 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.
NSN 6240-00-155-8707 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
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.