BOLT
P/N S-RB-6117
PN 20X1253
NSN 5306 00 448 3997
MFG AXLETECH INTL
NEW GOV SURPLUS
SUPPLIER CAGE CODE 03EF7

 
ITEM NAME:   BOLT,RIBBED SHOULDE
DEFINITION:  An externally threaded fastener whose threaded portion is of one

             nominal diameter. It has a series of longitudinal ribs, splines or

             serrations on all or a part of the shoulder. The minor diameter of the

             ribs must be greater than the major diameter of the threads. See also

             BOLT, RIBBED NECK.

         CHARACTERISTIC                          VALUE
THREAD DIRECTION                        RIGHT-HAND                                       
THREAD LENGTH                           0.906 INCHES MINIMUM                             
FASTENER LENGTH                         3.375 INCHES NOMINAL                             

HEAD STYLE                              FLAT CHAMFER                                     
HEAD DIAMETER                           1.375 INCHES NOMINAL                             
HEAD HEIGHT                             0.312 INCHES MINIMUM AND 0.402 INCHES MAXIMUM    
SHOULDER DIAMETER                       0.798 INCHES MINIMUM AND 0.808 INCHES MAXIMUM    

                                        FIRST SHOULDER                                   SHOULDER LENGTH                         0.312 INCHES MINIMUM AND 1.688 INCHES MAXIMUM    

                                        FIRST SHOULDER                                   RIB MAJOR DIAMETER                      0.810 INCHES MINIMUM AND 0.820 INCHES MAXIMUM    
RIB LENGTH                              0.500 INCHES NOMINAL                             
DISTANCE FROM LARGEST                   0.562 INCHES NOMINAL                             
DIAMETER OF BEARING SURFACE                                                               
OF HEAD TO RIBS                                                                          
NOMINAL THREAD DIAMETER                 0.750 INCHES                                     
NONSTANDARD THREAD PITCH                0.7044 TO 0.7084 INCHES                          
DIAMETER                                                                                 
THREAD QUANTITY PER INCH                16                                               
SHOULDER SHAPE                          ROUND FIRST SHOULDER                             
MATERIAL                                STEEL OVERALL                                    
MATERIAL DOCUMENT AND                   T AND A DIV B14 GRADE 8 78500 MFR REF SINGLE     
CLASSIFICATION                          MATERIAL RESPONSE OVERALL                        
THREAD SERIES DESIGNATOR                UNF