The Lamp,incandescent, cataloged under National Stock Number 6240-00-865-3257, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 33 commercial cross-references from 28 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 | 6240-00-865-3257 |
| Primary Part Number | 1399 |
| Item Name | Lamp,incandescent |
| FSC / FSG | 6240 / 62 — No Item Name Available |
| Manufacturer | Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch |
| Status | CANCELLED |
| Rated Average Life | HOURS |
| Wattage Rating | 1.120 WATTS |
| Bulb Designator | T-1 3/4 |
| Light Output Rating | 0.300 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING |
| Bulb Light Transmission Characteristic | TRANSPARENT |
| Base Style | MIDGET SCREW |
| Light Center Length | 0.500 INCHES NOMINAL IN |
| Average Life Rating in Hours | 7000.0 |
| Voltage Rating | 28.000 VOLTS NOMINAL |
| Bulb Style | T (TUBULAR) |
| Emitted Light Characteristic | COLORLESS |
| Filament Heavy Duty Service Rating | NOT RATED |
| Filament Designation | C-2F |
| Current Rating for Which Designed | 0.040 AMPERES NOMINAL |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 399 | Lamp Industry for Use with Industry Designations and Abbreviations for Lamps |
| CM8-388 | Jt Machine and Tool Corp (USA) |
| 1399 PRIMARY | Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch (USA) |
| CM399AS25 PRIMARY | Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron (USA) |
| G 4517 | Wilbrecht Electronics Inc. (USA) |
| LTX399 | Lamptronix Co Ltd (USA) |
| 122P80093 | Bae Systems Information and Electronic Systems Integration I (USA) |
| 65P235269 | Herley Chicago Dba Stewart Warner Electronics (USA) |
| 399 PRIMARY | Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron (USA) |
| 579R212H02 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| 65B05585A-01 | Motorola Communications Group Parts Dept Div of Motorola Inc (USA) |
| 122P80093 | Xerox Corporation Dba Xerox (USA) |
| C9097-399 | Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA) |
| 399 | Industrial Electronic Engineers, Inc. (USA) |
| 715071-137 PRIMARY | Capstan Ag Systems, Inc Dba Remex (USA) |
| OL-399 | Oshino Lamps Ltd. (JPN) |
| 399AS25 | Lamp Industry for Use with Industry Designations and Abbreviations for Lamps |
| OL-399 | Oshino Lamps Ltd. (JPN) |
| 399 | Jkl Components, Corporation (USA) |
| 399 | Te Connectivity Corporation (USA) |
NSN 6240-00-865-3257 is a Lamp,incandescent, manufactured by Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch, classified under FSC 6240 (No Item Name Available). Status: cancelled.
NSN 6240-00-865-3257 has 33 cross-referenced part numbers: 399 (Lamp Industry for Use with Industry Designations and Abbreviations for Lamps), CM8-388 (Jt Machine and Tool Corp), 1399 (Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch), CM399AS25 (Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron), G 4517 (Wilbrecht Electronics Inc.) and 28 more.
There are 12 known substitutes for 6240-00-865-3257: 4935-00-065-2977, 5110-00-083-0042, 3030-00-103-2303 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 1399: Rated Average Life: HOURS; Wattage Rating: 1.120 WATTS; Bulb Designator: T-1 3/4; Light Output Rating: 0.300 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING. 16 total characteristics are documented in the Federal Logistics Information System.
NSN 6240-00-865-3257 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.