| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| FASTENER LENGTH | 1.630 INCHES MINIMUM AND 1.755 INCHES MAXIMUM |
| HEAD HEIGHT | 0.131 INCHES MAXIMUM |
| HEAD STYLE | FLAT COUNTERSUNK UNDERCUT |
| HEAD MAJOR DIAMETER | 0.634 INCHES MAXIMUM |
| LUBRICATION | CETYL ALCOHOL |
| MATERIAL | TITANIUM ALLOY UNS R56400 OVERALL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | FASTENER, 100 DEG FLUSH HEAD, LOCK RING AND SLEEVE |
| PROPRIETARY CHARACTERISTICS | PACS |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| SHANK DIAMETER | 0.3255 INCHES MINIMUM AND 0.3275 INCHES MAXIMUM |
| SHANK STYLE | PIN RIVET, THREADED |