BOLT, SHOULDER
P/N HP5507-4D21
NSN 5306 01 045 6562

MFG HEARTLAND PRECISION FASTENERS
NEW GOV SURPLUS
SUPPLIER CAGE 03EF7

DEFINITION:  An externally threaded fastener whose threaded portion is of one

             nominal diameter, No. 10 (0.190 IN.) (5 mm) or larger. It has a round

             unthreaded neck or shank all or part of which is of greater diameter

             than the threaded portion. The head is not designed to be held or

             driven with an inserted drivers. A locking feature may be incorporated

             in the design of the head or threads. For items with a thread diameter

             smaller than No. 10 (0.190 IN.) (5 mm) and those items with an

             inserted drive head, use SCREW, SHOULDER. For items which are No. 10

             (0.190 IN.) (5 mm) or larger in size and are both shouldered and have

             an externally relieved body, use BOLT, EXTERNALLY RELIEVED BODY.

             Excludes THUMBSCREW.

             



CHARACTERISTIC                          VALUE

THREAD CLASS                            3A                                                

THREAD DIRECTION                        RIGHT-HAND                                        

THREAD LENGTH                           0.371 INCHES MINIMUM AND 0.438 INCHES MAXIMUM     

FASTENER LENGTH                         1.693 INCHES MINIMUM AND 1.740 INCHES MAXIMUM     

HEAD STYLE                              DOUBLE HEXAGON                                    

HEAD HEIGHT                             0.154 INCHES MINIMUM AND 0.174 INCHES MAXIMUM     

WIDTH BETWEEN FLATS                     0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM     

SHOULDER DIAMETER                       0.2802 INCHES MINIMUM AND 0.2807 INCHES MAXIMUM   

                                        FIRST SHOULDER                                    

SHOULDER LENGTH                         1.302 INCHES MINIMUM AND 1.322 INCHES MAXIMUM     

                                        FIRST SHOULDER                                    

SHANK UNTHREADED HOLE                   0.076 INCHES MINIMUM AND 0.081 INCHES MAXIMUM     

DIAMETER                                FIRST HOLE                                        

NOMINAL THREAD DIAMETER                 0.250 INCHES                                      

THREAD QUANTITY PER INCH                28                                                

DISTANCE FROM HEAD LARGEST              1.572 INCHES MINIMUM AND 1.629 INCHES MAXIMUM     

BEARING SURFACE TO SHANK                FIRST HOLE                                        

HOLE CENTER                                                                               

SHOULDER SHAPE                          ROUND FIRST SHOULDER                              

MATERIAL                                STEEL OVERALL                                     

THREAD SERIES DESIGNATOR                UNJF                                              

SPECIFICATION/STANDARD DATA             76301-ST3M507 PROFESSIONAL/INDUSTRIAL ASSOCIATION 

                                        STANDARD