The Lamp,incandescent, cataloged under National Stock Number 6240-00-946-7858, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Middleby Marshall Inc Toastmaster Cooking and Warming Equipment Div. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 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 | 6240-00-946-7858 |
| Primary Part Number | 19A1S-57 |
| Item Name | Lamp,incandescent |
| FSC / FSG | 6240 / 62 — No Item Name Available |
| Manufacturer | Middleby Marshall Inc Toastmaster Cooking and Warming Equipment Div |
| Status | CANCELLED |
| Wattage Rating | 50.000 WATTS |
| Filament Designation | C-17 |
| Bulb Style | A (ARBITRARY DESIGNATION) |
| Features Provided | FILAMENT SHIELDING AND HEAT RESISTANT GLASS |
| Filament Heavy Duty Service Rating | NOT RATED |
| Rated Average Life | HOURS |
| Bulb Light Transmission Characteristic | TRANSPARENT |
| Base Style | MEDIUM SCREW |
| Light Intensity Distribution Feature | PARABOLIC REFLECTOR |
| Bulb Designator | A-19 |
| Average Life Rating in Hours | 1000.0 |
| Emitted Light Characteristic | COLORLESS |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 19A1S-57 PRIMARY | Middleby Marshall Inc Toastmaster Cooking and Warming Equipment Div (USA) |
| 50A1938 | Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company (USA) |
| 50A19-39-230-250V | Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company (USA) |
| 50A1938 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 20028 | Caloric Corp/glenwood Range (USA) |
NSN 6240-00-946-7858 is a Lamp,incandescent, manufactured by Middleby Marshall Inc Toastmaster Cooking and Warming Equipment Div, classified under FSC 6240 (No Item Name Available). Status: cancelled.
NSN 6240-00-946-7858 has 5 cross-referenced part numbers: 19A1S-57 (Middleby Marshall Inc Toastmaster Cooking and Warming Equipment Div), 50A1938 (Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company), 50A19-39-230-250V (Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company), 50A1938 (Zf Industrieantriebe Witten Gmbh), 20028 (Caloric Corp/glenwood Range).
There are 12 known substitutes for 6240-00-946-7858: 4710-00-006-4572, 6685-00-074-4669, 5965-00-128-8756 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 19A1S-57: Overall Length: 3.938 INCHES MAXIMUM IN; Wattage Rating: 50.000 WATTS; Filament Designation: C-17; Bulb Style: A (ARBITRARY DESIGNATION). 13 total characteristics are documented in the Federal Logistics Information System.
NSN 6240-00-946-7858 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.