SCREW
P/N NAS723B120-120K
P/N 339-350-0249
NSN 5305 00 836 3718
MFG NATIONAL AEROSPACE STANDARDS
 
NEW GOV SURPLUS
 
ITEM NAME   SCREW,INSTRUMENT
DEFINITION  An externally threaded fastener similar to a SCREW, MACHINE but
             smaller than No. 0 (0.060 IN.) (1.5 mm) in size.
            
 
CHARACTERISTIC                          VALUE
THREAD DIRECTION                        RIGHT-HAND                                       
THREAD LENGTH                           0.120 INCHES MAXIMUM                             
FASTENER LENGTH                         0.120 INCHES NOMINAL                              
HEAD STYLE                              FLAT COUNTERSUNK                                 
HEAD DIAMETER                           0.088 INCHES MINIMUM AND 0.092 INCHES MAXIMUM    
INTERNAL DRIVE STYLE                    SLOT                                              
NOMINAL THREAD DIAMETER                 1.2 MILLIMETERS                                  
THREAD QUANTITY PER INCH                102                                              
THREAD PITCH IN MILLIMETERS             0.0409                                           
COUNTERSINK ANGLE                       100.0 DEGREES NOMINAL                            
MATERIAL                                COPPER ALLOY 360 OVERALL                         
MATERIAL DOCUMENT AND                   QQ-B-626,COMP 22 FED SPEC SINGLE MATERIAL RESPONSE
CLASSIFICATION                          OVERALL                                          
THREAD SERIES DESIGNATOR                UNM