NSN         5305-00-959-2675               
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                                       
THREAD LENGTH                           1.750 INCHES MINIMUM                             
FASTENER LENGTH                         2.500 INCHES NOMINAL                             
HEAD STYLE                              FLAT COUNTERSUNK                                 
HEAD DIAMETER                           0.292 INCHES MINIMUM AND 0.332 INCHES MAXIMUM    
INTERNAL DRIVE STYLE                    CROSS RECESS TYPE 1                              
NOMINAL THREAD DIAMETER                 0.164 INCHES                                     
THREAD QUANTITY PER INCH                32                                               
MINIMUM TENSILE STRENGTH                55000 POUNDS PER SQUARE INCH                     
COUNTERSINK ANGLE                       80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM    
SCREW MATERIAL                          STEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 
                                        1013                                             
SCREW MATERIAL DOCUMENT AND             66 FED STD ALL MATERIAL RESPONSES                
CLASSIFICATION                                                                           
SCREW SURFACE TREATMENT                 CADMIUM AND CHROMATE                             
SCREW SURFACE TREATMENT                 QQ-P-416 TY 2 CL 3 FED SPEC ALL TREATMENT        
DOCUMENT AND CLASSIFICATION             RESPONSES                                        
THREAD SERIES DESIGNATOR                UNC

New Govt. Surplus Cond. , Supplier Cage Code 03EF7

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