| 36270 | 57163 | L.S. STARRETT COMPANY (THE) | 
| 830002 | 66796 | BRUNSON INSTRUMENT COMPANY | 
| A47024-2 | 66796 | BRUNSON INSTRUMENT COMPANY | 
| GGG-P-501 TY1SZ80Z | 80244 | GENERAL SERVICES ADMINISTRATION FEDERAL SUPPLY SERVICE | 
| GGG-P-501 TY1SZ8OZ | 80244 | GENERAL SERVICES ADMINISTRATION FEDERAL SUPPLY SERVICE | 
| GGG-P-501 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | 
| PBB-8 | 57163 | L.S. STARRETT COMPANY (THE) | 
| MS15747-8 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |