| 490 | 82666 | STOCKHAM VALVES AND FITTINGS INC |
| B16.1 | 80204 | AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED |
| MS90520A10G | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| WW-F-406ACC10 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
| WWF406 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |