RETAINER
PN 13281208
NSN 6650-01-271-7351
MFG US ARMY
 
NEW GOV SURPLUS
SUPPLIER CAGE CODE 03EF7
 
ITEM NAME:   RETAINER,OPTICAL EL
DEFINITION:  A cylindrical, externally threaded item having a centrally located
             hole specifically designed to retain by means of either a raised box
             (shoulder), or counterbore, countersink, or a similar shaped recess,
             an optical element such as a lens, reticle, cell, and the like, in
             optical assemblies. It must have drilled holes or slots to facilitate
             assembly and disassembly. For items which house the optical
             element(s), and form the internal or central portions of an optical
             system, see CELL, OPTICAL ELEMENT. Excludes RING, EXTERNALLY THREADED.
            
 
CHARACTERISTIC                          VALUE
HOLE DIAMETER                           0.230 INCHES MINIMUM AND 0.235 INCHES MAXIMUM    
OVERALL LENGTH                          0.371 INCHES MINIMUM AND 0.385 INCHES MAXIMUM    
RECESS ANGLE IN DEG                     30.0                                             
RECESS DEPTH                            0.145 INCHES MINIMUM AND 0.155 INCHES MAXIMUM    
THREAD SIZE                             0.562-32 UN-2A                                   
III END ITEM IDENTIFICATION             1440-01-269-5849                                 
GUIDE DESIGN                            THREAD CHAMFER                                    
INTERNAL ANNULAR SERRATION              NOT PROVIDED                                     
SETSCREW NOTCH                          NOT PROVIDED                                     
HOLE CHAMFER ANGLE IN DEG               30.0                                              
HOLE CHAMFER DIAMETER                   0.432 INCHES MINIMUM AND 0.436 INCHES MAXIMUM    
MATERIAL                                STEEL COMP 416                                   
DESIGN CONTROL REFERENCE                13281208                                         
THE MANUFACTURERS DATA                  18876                                            
MANUFACTURERS CODE                                                                       
STYLE DESIGNATOR                        RECESSED                                         
TEST DATA DOCUMENT                      18876-13281208 DRAWING (THIS IS THE BASIC        
                                        GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, 
                                        ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.;   
                                        EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER    
                                        DOCUMENT THAT MAY BE REFERENCED IN A BASIC       
                                        GOVERNING DRAWING)