The Lamp,incandescent, cataloged under National Stock Number 6240-00-536-1851, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 6240-00-536-1851 |
| Primary Part Number | 40A19/CR |
| 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 |
| Bulb Light Transmission Characteristic | TRANSLUCENT |
| Bulb Designator | A-21 |
| Voltage Rating | 115.000 VOLTS MINIMUM AND 125.000 VOLTS MAXIMUM |
| Current Rating for Which Designed | 0.320 AMPERES MINIMUM AND 0.348 AMPERES MAXIMUM |
| Emitted Light Characteristic | RED |
| Average Life Rating in Hours | 1000.0 |
| Wattage Rating | 40.000 WATTS |
| Features Provided | FILAMENT SHIELDING AND HEAT RESISTANT GLASS |
| Filament Heavy Duty Service Rating | NOT RATED |
| Bulb Style | A (ARBITRARY DESIGNATION) |
| Filament Designation | C-9 |
| Rated Average Life | HOURS |
| Base Style | MEDIUM SCREW |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 40AR115-125V | Lamp Industry for Use with Industry Designations and Abbreviations for Lamps |
| 40AR | Westinghouse Electric Corp (USA) |
| W-L-101 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 330C766H12 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| 330C766H12 | Northrop Grumman Support Services Corp (USA) |
| 40AR | Westinghouse Electric Corp General Control Div (USA) |
| 615J745A245 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| 40A19/CR PRIMARY | Lamp Industry for Use with Industry Designations and Abbreviations for Lamps |
| 34861042 | Miller Trailers Inc (USA) |
| 615J745A245 PRIMARY | Northrop Grumman Support Services Corp (USA) |
NSN 6240-00-536-1851 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 6240-00-536-1851 has 10 cross-referenced part numbers: 40AR115-125V (Lamp Industry for Use with Industry Designations and Abbreviations for Lamps), 40AR (Westinghouse Electric Corp), W-L-101 (Federal Specifications Promulgated by General Services Administration Washington DC), 330C766H12 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 330C766H12 (Northrop Grumman Support Services Corp) and 5 more.
There is 1 known substitute for 6240-00-536-1851: 5962-01-039-6395. Verify interchangeability with system specifications before substitution.
Key specifications for 40A19/CR: Overall Length: 4.438 INCHES NOMINAL IN; Bulb Light Transmission Characteristic: TRANSLUCENT; Bulb Designator: A-21; Voltage Rating: 115.000 VOLTS MINIMUM AND 125.000 VOLTS MAXIMUM. 15 total characteristics are documented in the Federal Logistics Information System.
NSN 6240-00-536-1851 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.