| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| FASTENER LENGTH | 0.5775 INCHES MINIMUM AND 0.6245 INCHES MAXIMUM |
| FEATURES PROVIDED | CETYL ALCOHOL LUBRICANT AND O RING |
| GRIP DIAMETER | 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM |
| HEAD HEIGHT | 0.0439 INCHES MINIMUM AND 0.0459 INCHES MAXIMUM |
| HEAD DIAMETER | 0.3765 INCHES MINIMUM AND 0.3813 INCHES MAXIMUM |
| HEAD STYLE | FLAT COUNTERSUNK UNDERCUT |
| INTERNAL DRIVE STYLE | HIGH-TORQUE |
| MATERIAL DOCUMENT AND CLASSIFICATION | NAS621 PER 6AL-4V ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | TITANIUM ALLOY OVERALL |
| NOMINAL THREAD DIAMETER | 0.1900 INCHES |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW, CLOSE TOLERANCE |
| SPECIAL FEATURES | ITEM INCLUDES O-RING PER ST7M251 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.406 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |