| 111-1/2 | 18906 | ELKHART PRODUCTS CORP |
| 1611-1/2 | 01881 | ARCO METALS CO DIV OF ATLANTIC RICHFIELD CO |
| 4183 | 11699 | KENNECOTT CORP CHASE EXTRUSIONS DIV |
| 50984-2 | 94833 | KECO INDUSTRIES INC. |
| 6326 | 70334 | ALTER HARRY CO THE DIV OF T E C |
| 710 | 59870 | THOMPSON EMERY MACHINE & SUPPLY CO |
| 832 | 40760 | MILLS INDUSTRIES INC |
| B16-22 | 80204 | AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED |
| MS35929-5 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| W-4006 | 41947 | MUELLER BRASS |
| W4006EF | 41947 | MUELLER BRASS |
| WT600W4006 | 41947 | MUELLER BRASS |
| WWT725 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |