| 
                                    
                                 | 
                             
                            
                                
                                     
                                 | 
                             
		                    
		                        
		                             National Stock Number: 5340-00-417-2920
  Federal Supply Class: 5340
  National Item Identification Number: 004172920
  Description: PLUG,EXPANSION
  Detail: A relatively thin metallic item, having a concave or cupped contour, designed to effect its own seal by compression against the circumference of a hole. It is used as a blowout plug in boilers, engines, and the like to relieve the pressure created by the expansion of fluids caused by heat or freezing. 
		                         | 
		                     
		                    
		                        
                                    
  Manufacturer Information:
 | 4B5387 | 11083 | CATERPILLAR INC |  | 4B5387 | 74006 | RELIANCE COMM/TEC CORP LORAIN PRODUCTS DIV |  | 4B5387-00 | 58312 | MIL-TECH MFG INC |   
		                         | 
		                     
				            
					            
						            
  Techincal Specification:
 | HEIGHT | 0.250 INCHES NOMINAL |  | MATERIAL THICKNESS | 0.050 INCHES NOMINAL |  | MATERIAL | STEEL |  | OUTSIDE DIAMETER | 0.943 INCHES MINIMUM AND 0.945 INCHES MAXIMUM |  | STYLE DESIGNATOR | CUP |   
					             | 
				             
		                 
		             |