| 0.500-13UNC-2AX2.250LG STL | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| 67-06-4225B | 96169 | ELECTRIC BOAT CORPORATION |
| 7068491 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 7068491/ SHEET 71 PN 445 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 752-7068491-445 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| H832-1680-445 | 96169 | ELECTRIC BOAT CORPORATION |