| ASTM B687 | 81346 | AMERICAN SOCIETY FOR TESTING AND MATERIALS | 
| MS51846 | 81346 | AMERICAN SOCIETY FOR TESTING AND MATERIALS | 
| MS51846-125 | 03958 | MINDECO CORP | 
| MS51846-125 | 13899 | HYDRO-FITTING MANUFACTURING CORPORATION | 
| MS51846-125 | 21244 | WHEELING MACHINE PRODUCTS CO | 
| MS51846 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | 
| MS51846-125 | 30977 | U-BRAND CORP | 
| MS51846-125 | 80996 | ITT GRINNELL CORP | 
| WWN351 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | 
| MS51846-125 | 88772 | HARSCO CORP DBA CAPITOL MFG | 
| MS51846-125 | 91109 | GA PIPE INC DBA TRENTON PIPE NIPPLE CO | 
| MS51846-125 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |