| 01714 | 58425 | LUSTRA LIGHTING |
| 500PS40/IF-120V | 08108 | LAMP INDUSTRY FOR USE WITH INDUSTRY DESIGNATIONS AND ABBREVIATIONS FOR LAMPS |
| 500PS40IF-120 | 56589 | 21ST CENTURY ENTERPRISES INC |
| 500PS40IF-120V | 56589 | 21ST CENTURY ENTERPRISES INC |
| 500PS40/IF-120V | 62607 | PHILIPS ELECTRONICS NORTH AMERICA CORPORATION DBA PHILIPS LIGHTING DIV PHILIPS LIGHTING COMPANY |
| 500PS40/IF-120V | 88204 | GTE PRODUCTS CORP SYLVANIA MINIATURE LIGHTING DIV |
| VARIABLEPRICING | 13873 | DLA AVIATION |
| W-L-101/115A | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
| WL00101GSAFSS | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |