SCREW
P/N PM21644
NSN 5305 01 013 8938
MFG MASON ELECTRIC COMPANY
 
NEW GOV SURPLUS
 
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                            2A                                               
THREAD DIRECTION                        RIGHT-HAND                                       
HEAD STYLE                              FLAT COUNTERSUNK                                  
HEAD DIAMETER                           0.625 INCHES NOMINAL                             
INTERNAL DRIVE STYLE                    SLOT                                             
NOMINAL THREAD DIAMETER                 0.125 INCHES                                      
THREAD QUANTITY PER INCH                40                                               
SCREW MATERIAL                          STEEL COMP 1010                                  
SCREW MATERIAL DOCUMENT AND             QQ-S-671 FED SPEC SINGLE MATERIAL RESPONSE       
CLASSIFICATION                                                                           
SCREW SURFACE TREATMENT                 CADMIUM                                          
SCREW SURFACE TREATMENT                 QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT
DOCUMENT AND CLASSIFICATION             RESPONSE                                         
DESIGN CONTROL REFERENCE                PM21644                                          
THE MANUFACTURERS DATA                  81579