| 
                            
                                |  |  
                                |   |  
		                        | National Stock Number:
 5310-00-515-9964
 
 Federal Supply Class:
 5310
 
 National Item Identification Number:
 005159964
 
 Description:
 WASHER,LOCK
 
 Detail:
 A washer which is usually round with a centrally located hole. Its edges and two bearing surfaces are so designed that applied pressure brings into play the spring tension and/or frictional locking principle which materially resists any tendency toward turning. It may be made of one or two pieces
 |  
		                        | 
 Manufacturer Information:
 
 | FFW84 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | 
 |  
					            | 
 Techincal Specification:
 
 | HARDNESS RATING | 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM |  | HEAT TREATMENT | QUENCHED AND TEMPERED |  | HOLE DIAMETER | 0.128 INCHES MINIMUM AND 0.134 INCHES MAXIMUM |  | NONDEFINITIVE SPEC/STD DATA | A CLASS AND 4 STYLE |  | OUTSIDE DIAMETER | 0.300 INCHES MAXIMUM |  | MATERIAL THICKNESS | 0.045 INCHES MINIMUM AND 0.051 INCHES MAXIMUM |  | TEST DATA DOCUMENT | 81348-FFW84 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |  | STYLE DESIGNATOR | SPLIT HELICAL-RIGHT HAND | 
 |  |