|  | 
                            
                                |   | 
		                    
		                        | National Stock Number:
 5310-00-515-8001
 
 Federal Supply Class:
 5310
 
 National Item Identification Number:
 005158001
 
 Description:
 WASHER,FINISHING
 
 Detail:
 A WASHER OR CONE OR DISK SHAPE WITH A CENTRALLY LOCATED HOLE, DESIGNED TO ACCOMMODATE A FLAT OR OVAL HEAD SCREW AND PROVIDE ADDITIONAL BEARING AREA ON THE MATERIAL BEING FASTENED. IT MAY OR MAY NOT HAVE A FLUSH FLANGE FEATURE.
 | 
		                    
		                        | 
 Manufacturer Information:
 
 | 61-3206 | 42689 | NATIONAL LOCK CO |  | NAS390S8 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE | 
 | 
				            
					            | 
 Techincal Specification:
 
 | MATERIAL | STEEL OVERALL |  | SURFACE TREATMENT | CADMIUM OVERALL |  | STYLE DESIGNATOR | FINISHING |  | HOLE DIAMETER | 0.188 INCHES NOMINAL |  | OUTSIDE DIAMETER | 0.438 INCHES NOMINAL |  | OVERALL HEIGHT | 0.180 INCHES NOMINAL |  | MATERIAL THICKNESS | 0.016 INCHES NOMINAL | 
 |