| ASTMA733 | 81346 | AMERICAN SOCIETY FOR TESTING AND MATERIALS | 
| B19100-5109 | 37562 | MACLEOD INC | 
| BM11399-77 | 19422 | DEMARKUS CORP REFRIGERATION ENGINEERING CORP | 
| BM11616-37 | 19422 | DEMARKUS CORP REFRIGERATION ENGINEERING CORP | 
| E-W-B1900-5100 | 37562 | MACLEOD INC | 
| H98-5-154 | 81361 | EDGEWOOD CHEMICAL BIOLOGICAL CENTER ECBC | 
| MS51953-82 | 03958 | MINDECO CORP | 
| PWA26443-8 | 77445 | RTX CORPORATION | 
| MS51953-82 | 80996 | ITT GRINNELL CORP | 
| WWN351 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | 
| MS51953-82 | 84849 | SAMUEL LEVINE PLUMBING AND HEATING SUPPLIES, INC. | 
| MS51953-82 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |