| A-A-2477 | 58536 | FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
| L-9-2559 | 61452 | NGK METALS CORPORATION DBA N G K BERYLCO |
| W-1050-F | 03306 | AMPCO METAL INC. DBA AMPCO METAL INC |
| NC3110-348 | 35301 | DRESSER INDUSTRIES INC LEROI DIV |
| L-9-2559 | 70787 | CABOT CORP ALUMINUM MASTER ALLOY BUSINESS UNIT |
| MIL-K-21120 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |