| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| THREAD QUANTITY PER INCH | 24 |
| THREAD CLASS | 2A/2B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.53 INCHES NOMINAL |
| FASTENER LENGTH | 1.25 INCHES NOMINAL |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | 300 SERIES CRES EQUAL TO 18-8 CHROMIUM NICKEL ALLOY IAW QQ-S-763 OR FED-STD-66 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OR |
| ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| HARDNESS RATING | 85.0 ROCKWELL B MINIMUM OVERALL |
| MINIMUM TENSILE STRENGTH | 85000 POUNDS PER SQUARE INCH |
| HEAD STYLE | ROUND |
| HEAD DIAMETER | 0.425 INCHES NOMINAL |
| HEAD HEIGHT | 0.125 INCHES NOMINAL |
| INTERNAL DRIVE STYLE | ONE WAY |
| MATERIAL ACCOMMODATED THICKNESS | 1.25 INCHES NOMINAL |
| FEATURES PROVIDED | SLEEVE |
| SPECIAL FEATURES | ITEM IS A TWO PART ASSEMBLY;SLEEVE STYLE END IS THE SAME THREAD SIZE AS SCREW END WITH INTERNAL THREADS THAT ALLOW FOR SCREW END AND SLEEVE END TO FIT TOGETHER TIGHTLY;THIS ITEM REQUIRES A SPECIAL DRIVER FOR REMOVAL SINCE IT IS A ONE-WAY HEAD |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT,MACHINE-PARTITION SEXBOLT,TAMPERPROOF |