The Lamp,incandescent, cataloged under National Stock Number 6240-00-491-7191, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Mason Electric Co. Dba Mason Controls. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 6240-00-491-7191 |
| Primary Part Number | WI-7049 |
| Item Name | Lamp,incandescent |
| FSC / FSG | 6240 / 62 — No Item Name Available |
| Manufacturer | Mason Electric Co. Dba Mason Controls |
| Status | CANCELLED |
| Bulb Designator | T-1 |
| Light Center Length | 0.320 INCHES NOMINAL IN |
| Voltage Rating | 28.000 VOLTS NOMINAL |
| Bulb Style | T (TUBULAR) |
| Light Output Rating | 0.150 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING |
| Filament Heavy Duty Service Rating | NOT RATED |
| Emitted Light Characteristic | COLORLESS |
| Rated Average Life | HOURS |
| Current Rating for Which Designed | 0.024 AMPERES NOMINAL |
| Average Life Rating in Hours | 16000.0 |
| Wattage Rating | 0.672 WATTS |
| Bulb Light Transmission Characteristic | TRANSPARENT |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 56-034111-01 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA) |
| WI-7049 | Dupree Inc Western Indicator Co Div (USA) |
| 56-034111-01 | Northrop Grumman Systems Corporation Div Es Defensive Systems Division (USA) |
| 42 393-001 | Rockwell Collins Deutschland Gmbh Div Rockwell Collins International & Service Solutions (DEU) |
| 30243 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 7049 | Lamp Industry for Use with Industry Designations and Abbreviations for Lamps |
| WI-28T1PB15F | Dupree Inc Western Indicator Co Div (USA) |
| 30243 | Adams Rite Aerospace, Inc (USA) |
| 4456-2044 | Sp Defense (FRA) |
| 400072 | Dupree Inc Western Indicator Co Div (USA) |
| WI-7049 PRIMARY | Mason Electric Co. Dba Mason Controls (USA) |
NSN 6240-00-491-7191 is a Lamp,incandescent, manufactured by Mason Electric Co. Dba Mason Controls, classified under FSC 6240 (No Item Name Available). Status: cancelled.
NSN 6240-00-491-7191 has 11 cross-referenced part numbers: 56-034111-01 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple), WI-7049 (Dupree Inc Western Indicator Co Div), 56-034111-01 (Northrop Grumman Systems Corporation Div Es Defensive Systems Division), 42 393-001 (Rockwell Collins Deutschland Gmbh Div Rockwell Collins International & Service Solutions), 30243 (Zf Industrieantriebe Witten Gmbh) and 6 more.
There are 12 known substitutes for 6240-00-491-7191: 5960-00-051-0132, 5865-00-079-5121, 2530-00-105-2499 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for WI-7049: Bulb Designator: T-1; Special Features: POGO BAYONET BASE; Light Center Length: 0.320 INCHES NOMINAL IN; Voltage Rating: 28.000 VOLTS NOMINAL. 14 total characteristics are documented in the Federal Logistics Information System.
NSN 6240-00-491-7191 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.