| A-A-2479 | 58536 | FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
| MIL-P-19290 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| P-300-2227 | 61452 | NGK METALS CORPORATION DBA N G K BERYLCO |
| P-300-2227 | 70787 | CABOT CORP ALUMINUM MASTER ALLOY BUSINESS UNIT |
| P-300 | 70787 | CABOT CORP ALUMINUM MASTER ALLOY BUSINESS UNIT |
| MIL-P-19290TY3 | 80244 | GENERAL SERVICES ADMINISTRATION FEDERAL SUPPLY SERVICE |
| P300 | 54565 | WESGO/DURAMIC PRODUCTS INC |