SCREW,MACHINE
P/N NAS600-118
NSN 5305-01-125-6197

MFG NATIONAL AEROSPACE STANDARDS
NEW GOV SURPLUS
SUPPLIER CAGE 03EF7

ITEM NAME:   SCREW,MACHINE

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

             nominal diameter, No 0 (0.060 in./1.5 mm) or larger, designed to be

             held or driven with either a wrench or an inserted driver or both

             (excluding internal socket or internal multiple spline types), in

             sizes below No.  10 (0.190 in./5 mm).  No.  10 and larger sizes must

             have a head designed for any type inserted driver (excluding internal

             socket or internal multiple spline types), but may also be designed

             for external wrenching.  A locking feature may be incorporated in the

             design of the head or threads.  Excludes BOLT, CLEVIS; BOLT,

             EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; and SCREW,

             ASSEMBLED WASHER.  See also, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT,

             INTERNAL WRENCHING; and SCREW, CAP SOCKET HEAD.

             



CHARACTERISTIC                          VALUE

THREAD CLASS                            3A                                                

THREAD DIRECTION                        RIGHT-HAND                                        

THREAD LENGTH                           1.750 INCHES MINIMUM                              

FASTENER LENGTH                         7.125 INCHES NOMINAL                              

HEAD STYLE                              PAN                                               

HEAD DIAMETER                           0.205 INCHES MINIMUM AND 0.219 INCHES MAXIMUM     

HEAD HEIGHT                             0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM     

INTERNAL DRIVE STYLE                    CROSS RECESS TYPE 1                               

NOMINAL THREAD DIAMETER                 0.112 INCHES                                      

THREAD QUANTITY PER INCH                40                                                

MINIMUM TENSILE STRENGTH                160000 POUNDS PER SQUARE INCH                     

HARDNESS RATING                         36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C       

                                        MAXIMUM                                           

PART NAME ASSIGNED BY                   NAVY SPECIAL PROJECT                              

CONTROLLING AGENCY                                                                        

SCREW MATERIAL                          STEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 

                                        8740                                              

SCREW MATERIAL DOCUMENT AND             MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR      

CLASSIFICATION                          MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR      

                                        MIL-S-6049 MIL SPEC 3RD MATERIAL RESPONSE         

SCREW SURFACE TREATMENT                 CADMIUM                                           

SCREW SURFACE TREATMENT                 QQ-P-416 TYPE 1 CLASS 2 FED SPEC SINGLE TREATMENT 

DOCUMENT AND CLASSIFICATION             RESPONSE                                          

THREAD SERIES DESIGNATOR                UNJC                                              

SPECIFICATION/STANDARD DATA             80205-NAS600 PROFESSIONAL/INDUSTRIAL ASSOCIATION  

                                        STANDARD