The Lamp,incandescent, cataloged under National Stock Number 6240-00-959-6735, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Lamp Industry for Use with Industry Designations and Abbreviations for Lamps. Government technical data includes 14 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 6240-00-959-6735 |
| Primary Part Number | 50R20-120V |
| Item Name | Lamp,incandescent |
| FSC / FSG | 6240 / 62 — No Item Name Available |
| Manufacturer | Lamp Industry for Use with Industry Designations and Abbreviations for Lamps |
| Status | CANCELLED |
| Average Life Rating in Hours | 2000.0 |
| Wattage Rating | 50.000 WATTS |
| Filament Heavy Duty Service Rating | NOT RATED |
| Emitted Light Characteristic | WHITE |
| Rated Average Life | HOURS |
| Bulb Style | R (REFLECTOR) |
| Bulb Designator | R-20 |
| Light Beam Type | FLOOD |
| Voltage Rating | 115.000 VOLTS MINIMUM AND 125.000 VOLTS MAXIMUM |
| Bulb Light Transmission Characteristic | TRANSLUCENT |
| Base Style | MEDIUM SCREW |
| Light Intensity Distribution Feature | PARABOLIC REFLECTOR |
| Light Output Rating | 425.000 LUMENS NOMINAL SINGLE RATING |
| Filament Designation | C-7A A |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 50R20-120V | Lamp Industry for Use with Industry Designations and Abbreviations for Lamps |
| 01171 | Lustra Lighting (USA) |
| 262-2379-010 | Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems (USA) |
| 50R20FR | 21ST Century Enterprises Inc (USA) |
| 50WR20 | General Electric Co Lamp Glass and Components Dept (USA) |
| 50R20-120V | Marvel Lamp Co Inc (USA) |
| 50R20115-120V | Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company (USA) |
| 50R20 | Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company (USA) |
| 50R20 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 50R20-120 | Marvel Lamp Co Inc (USA) |
| 539811-1 | Raytheon Company Dba Raytheon (USA) |
NSN 6240-00-959-6735 is a Lamp,incandescent, manufactured by Lamp Industry for Use with Industry Designations and Abbreviations for Lamps, classified under FSC 6240 (No Item Name Available). Status: cancelled.
NSN 6240-00-959-6735 has 11 cross-referenced part numbers: 50R20-120V (Lamp Industry for Use with Industry Designations and Abbreviations for Lamps), 01171 (Lustra Lighting), 262-2379-010 (Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems), 50R20FR (21ST Century Enterprises Inc), 50WR20 (General Electric Co Lamp Glass and Components Dept) and 6 more.
There are 4 known substitutes for 6240-00-959-6735: 5999-00-188-2219, 5133-00-189-9254, 5905-00-944-2010 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 50R20-120V: Average Life Rating in Hours: 2000.0; Wattage Rating: 50.000 WATTS; Filament Heavy Duty Service Rating: NOT RATED; Emitted Light Characteristic: WHITE. 15 total characteristics are documented in the Federal Logistics Information System.
NSN 6240-00-959-6735 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.