| THREAD SERIES DESIGNATOR | UNJF | 
| NOMINAL THREAD DIAMETER | 0.190 INCHES | 
| THREAD QUANTITY PER INCH | 32 | 
| THREAD CLASS | 3A | 
| THREAD DIRECTION | RIGHT-HAND | 
| LEAD THREAD QUANTITY | TWO | 
| THREAD LENGTH | 0.430 INCHES MINIMUM AND | 
 | 0.470 INCHES MAXIMUM | 
| FASTENER LENGTH | 0.610 INCHES NOMINAL | 
| MATERIAL | STEEL COMP 302 SPRING | 
 | STEEL CORROSION RESISTING STAND-OFF | 
 | IRON ALLOY 660 FASTENER | 
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A313 ASSN STD SINGLE MATERIAL RESPONSE SPRING | 
 | AMS 5640 ASSN STD SINGLE MATERIAL RESPONSE OR | 
 | ASTM A555 ASSN STD SINGLE MATERIAL RESPONSE OR | 
 | ASTM A581 ASSN STD SINGLE MATERIAL RESPONSE STAND-OFF | 
 | AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OR | 
 | AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE FASTENER | 
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | 
| HEAD STYLE | UNDERCUT PAN NO. 2 | 
| HEAD DIAMETER | 0.482 INCHES NOMINAL | 
| HEAD HEIGHT | 0.200 INCHES MINIMUM AND | 
 | 0.240 INCHES MAXIMUM | 
| INTERNAL DRIVE STYLE | HEXAGON | 
| MATERIAL ACCOMMODATED THICKNESS | 0.108 INCHES NOMINAL | 
| SPECIAL FEATURES | GRIP LENGTH 0.180 INCH | 
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW,CAPTIVE,SELF-RETRACTING,CRIMP-RING STYLE |