| 26228 | 48521 | COLT INDUSTRIES OPERATING CORP PRATT AND WHITNEY MACHINE TOOL DIV |
| 307-28 | 13130 | CLEVELAND TWIST DRILL CO DIV OF GREENFIELD INDUSTRIES INC |
| 45136 | 13130 | CLEVELAND TWIST DRILL CO DIV OF GREENFIELD INDUSTRIES INC |
| 45136 | 1NEX4 | KENNAMETAL INC. DIV KENNAMETAL INDUSTRIAL PRODUCTS GROUP |
| 307-28 | 1NEX4 | KENNAMETAL INC. DIV KENNAMETAL INDUSTRIAL PRODUCTS GROUP |
| 58-10143 | 71485 | UNION BUTTERFIELD CORP P O BOX 9000 CRYSTAL LAKE IL 60039 |
| 717-003461 | 18056 | DOALL BALTIMORE COMPANY |
| D-722 | 18056 | DOALL BALTIMORE COMPANY |
| 7023110 | 20528 | ENCO MFG CO |
| 68-309 | 48521 | COLT INDUSTRIES OPERATING CORP PRATT AND WHITNEY MACHINE TOOL DIV |
| B423 | 71485 | UNION BUTTERFIELD CORP P O BOX 9000 CRYSTAL LAKE IL 60039 |
| A564 | 72295 | F & D TOOL CO INC |
| B94.19 TABLE 5 | 80204 | AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED |
| GGG-C-755 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
| MS15691-28 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |