The Lamp,fluorescent, cataloged under National Stock Number 6240-01-479-2961, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Osram Sylvania Inc.. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6240-01-479-2961 |
| Primary Part Number | F40/D841/SS/ECO |
| Item Name | Lamp,fluorescent |
| FSC / FSG | 6240 / 62 — No Item Name Available |
| Manufacturer | Osram Sylvania Inc. |
| Status | ACTIVE |
| Base Style | MEDIUM BIPIN (FLUORESCENT) |
| Bulb Style | T (TUBULAR) |
| Wattage Rating | 34.000 WATTS |
| Color Temp in Deg Kelvin | 4100.0 |
| Rated Average Life | HOURS |
| Bulb Designator | T-12 |
| Starting Characteristic | RAPID |
| Emitted Light Characteristic | WHITE, DESIGN |
| Average Life Rating in Hours | 20000.0 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| F40/D841/SS/ECO | Osram Sylvania Inc. (USA) |
| 24554 | Osram Sylvania Inc. (USA) |
NSN 6240-01-479-2961 is a Lamp,fluorescent, manufactured by Osram Sylvania Inc., classified under FSC 6240 (No Item Name Available). Status: active.
NSN 6240-01-479-2961 has 2 cross-referenced part numbers: F40/D841/SS/ECO (Osram Sylvania Inc.), 24554 (Osram Sylvania Inc.).
There are 8 known substitutes for 6240-01-479-2961: 3455-00-189-9147, 2925-00-441-9278, 5330-00-695-4317 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for F40/D841/SS/ECO: Base Style: MEDIUM BIPIN (FLUORESCENT); Bulb Style: T (TUBULAR); Wattage Rating: 34.000 WATTS; Color Temp in Deg Kelvin: 4100.0. 11 total characteristics are documented in the Federal Logistics Information System.