The Lamp,incandescent, cataloged under National Stock Number 6240-00-660-8849, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Scomill Inc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 6240-00-660-8849 |
| Primary Part Number | A3540-12-1 |
| Item Name | Lamp,incandescent |
| FSC / FSG | 6240 / 62 — No Item Name Available |
| Manufacturer | Scomill Inc |
| Status | CANCELLED |
| Base Style | MEDIUM BIPOST |
| Filament Heavy Duty Service Rating | ROUGH SERVICE |
| Emitted Light Characteristic | WHITE |
| Rated Average Life | HOURS |
| Wattage Rating | 420.000 WATTS |
| Burning Position | HORIZONTAL |
| Light Output Rating | 8600.000 LUMENS NOMINAL SINGLE RATING |
| Filament Designation | C-8 |
| Current Rating for Which Designed | 35.000 AMPERES NOMINAL |
| Bulb Style | T (TUBULAR) |
| Average Life Rating in Hours | 1000.0 |
| Light Center Length | 2.500 INCHES NOMINAL IN |
| Bulb Light Transmission Characteristic | TRANSPARENT |
| Voltage Rating | 12.000 VOLTS NOMINAL |
| Bulb Designator | T-20 |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| A3540-12-1 | Scomill Inc (USA) |
| A3540-12-1 | Northrop Grumman Systems Corporation Div Es Defensive Systems Division (USA) |
| 35AT20 | Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company (USA) |
| 3540-12-1 | Northrop Grumman Systems Corporation Div Es Defensive Systems Division (USA) |
| MIL-L-6363 | American Carbonic Engineering Co (USA) |
| 35AT20 | Westinghouse Electric Corp (USA) |
| MS28933-1 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 35AT20 | General Electric Company Dba Ge (USA) |
NSN 6240-00-660-8849 is a Lamp,incandescent, manufactured by Scomill Inc, classified under FSC 6240 (No Item Name Available). Status: cancelled.
NSN 6240-00-660-8849 has 8 cross-referenced part numbers: A3540-12-1 (Scomill Inc), A3540-12-1 (Northrop Grumman Systems Corporation Div Es Defensive Systems Division), 35AT20 (Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company), 3540-12-1 (Northrop Grumman Systems Corporation Div Es Defensive Systems Division), MIL-L-6363 (American Carbonic Engineering Co) and 3 more.
There are 7 known substitutes for 6240-00-660-8849: 6240-00-143-3142, 6240-00-143-6558, 6240-00-155-7836 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for A3540-12-1: Base Style: MEDIUM BIPOST; Overall Length: 6.000 INCHES MINIMUM AND 6.500 INCHES MAXIMUM IN; Filament Heavy Duty Service Rating: ROUGH SERVICE; Emitted Light Characteristic: WHITE. 16 total characteristics are documented in the Federal Logistics Information System.
NSN 6240-00-660-8849 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.