| 02098 | 58425 | LUSTRA LIGHTING |
| 500PS40-120 | 58854 | GTE PRODUCTS CORP LIGHTING PRODUCTS GROUP |
| 500PS40-120V | 04655 | GENERAL DYNAMICS MISSION SYSTEMS, INC. |
| 500PS40-120V | 08108 | LAMP INDUSTRY FOR USE WITH INDUSTRY DESIGNATIONS AND ABBREVIATIONS FOR LAMPS |
| 500PS40-120V | 08805 | GENERAL ELECTRIC COMPANY DBA GE |
| 500PS40-120 | 62607 | PHILIPS ELECTRONICS NORTH AMERICA CORPORATION DBA PHILIPS LIGHTING DIV PHILIPS LIGHTING COMPANY |
| 500PS40-120V | 71651 | PHILIPS LIGHTING CO DIV OF NORTH AMERICAN PHILIPS CORP |
| W-L-101 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
| W-L-101/36 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
| 500PS40-120V | 88204 | GTE PRODUCTS CORP SYLVANIA MINIATURE LIGHTING DIV |