| CROSS-SECTIONAL SHAPE | ROUND |
| DIAMETER | 0.500 INCHES NOMINAL |
| FLATTED PORTION LENGTH | 0.500 INCHES NOMINAL |
| LENGTH | 3.500 INCHES NOMINAL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | EXTENSION STUD, PROCTECTIVE BARRIER |
| MATERIAL | NICKEL ALLOY OVERALL |
| NOMINAL THREAD SIZE | 0.190 INCHES RIGHT EXTERNAL |
| NOMINAL THREAD SIZE | 0.190 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) |
| RIGHT PROJECTION DIAMETER | 0.190 INCHES NOMINAL |
| RIGHT PROJECTION LENGTH | 1.000 INCHES NOMINAL |
| WIDTH BETWEEN FLATS | 0.440 INCHES NOMINAL |
| STYLE DESIGNATOR | LEFT INTERNAL AND RIGHT EXTERNAL THREAD |
| THREAD CLASS | 2A RIGHT EXTERNAL |
| THREAD CLASS | 3B LEFT INTERNAL (INCLUDES THRU THREAD) |
| THREAD DIRECTION | RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD) |
| THREAD DIRECTION | RIGHT-HAND RIGHT EXTERNAL |
| THREAD LENGTH | 1.130 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) |
| THREAD LENGTH | 0.880 INCHES NOMINAL RIGHT EXTERNAL |
| THREAD QUANTITY PER INCH | 32 LEFT INTERNAL (INCLUDES THRU THREAD) |
| THREAD QUANTITY PER INCH | 32 RIGHT EXTERNAL |
| THREAD SERIES DESIGNATOR | UNF LEFT INTERNAL (INCLUDES THRU THREAD) |
| THREAD SERIES DESIGNATOR | UNF RIGHT EXTERNAL |