| MATERIAL | STEEL OVERALL |
| CROSS-SECTIONAL SHAPE | ROUND |
| STYLE DESIGNATOR | FLANGED |
| LENGTH | 1.1875 INCHES NOMINAL |
| THREAD SERIES DESIGNATOR | UNC LEFT INTERNAL (INCLUDES THRU THREAD) |
| NOMINAL THREAD SIZE | 0.250 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) |
| THREAD QUANTITY PER INCH | 20 LEFT INTERNAL (INCLUDES THRU THREAD) |
| THREAD CLASS | 2B LEFT INTERNAL (INCLUDES THRU THREAD) |
| THREAD DIRECTION | RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD) |
| THREAD LENGTH | 1.1875 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) |
| COMPONENT AND QUANTITY | BARREL AND 0.750 INCH (NOM) FULLY-THREADED, 0.250 INCH (NOM) SCREW SIZE, CROSSCUT INSERT DRIVE SCREW |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT, SEX BARREL |