| ASTMB687 | 81346 | AMERICAN SOCIETY FOR TESTING AND MATERIALS |
| MS51846-144 | 13899 | HYDRO-FITTING MANUFACTURING CORPORATION |
| MS51846-144 | 21244 | WHEELING MACHINE PRODUCTS CO |
| MS51846-144 | 30977 | U-BRAND CORP |
| MS51846-144 | 80996 | ITT GRINNELL CORP |
| MS51846-144 | 88772 | HARSCO CORP DBA CAPITOL MFG |
| MS51846-144 | 91109 | GA PIPE INC DBA TRENTON PIPE NIPPLE CO |
| MS51846-144 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| WWN351 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |