| 5210-00-238-3299 | 57163 | L.S. STARRETT COMPANY (THE) |
| 830002 | 66796 | BRUNSON INSTRUMENT COMPANY |
| PBB-8 | 57163 | L.S. STARRETT COMPANY (THE) |
| A47024-2 | 66796 | BRUNSON INSTRUMENT COMPANY |
| GGG-P-501 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
| MS15747-8 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |