| 1720SD | 02622 | AMERICAN OPTICAL CO |
| 1720SD | 88309 | AEARO COMPANY |
| 95635 | 55799 | MINE SAFETY APPLIANCES COMPANY |
| A-A-58084 | 58536 | FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
| 310 | 71483 | DAVID CLARK COMPANY INCORPORATED |
| 365GS | 79687 | DALLOZ SAFETY |
| MARKIV458727 | 55799 | MINE SAFETY APPLIANCES COMPANY |
| E310 | 71483 | DAVID CLARK COMPANY INCORPORATED |
| M38268-2 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| MIL-P-38268 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| S2027 | 88001 | UNITED STATES POSTAL SERVICE |