| CROSS-SECTIONAL SHAPE | HEXAGON |
| LENGTH | 1.500 INCHES NOMINAL |
| MATERIAL | STEEL COMP 4130 OR STEEL COMP 4140 OR STEEL COMP 4340 OR STEEL COMP 8740 OVERALL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SPACER, THREADED |
| PROPRIETARY CHARACTERISTICS | PACS |
| NOMINAL THREAD SIZE | 0.1640 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) |
| NOMINAL THREAD SIZE | 0.1640 INCHES RIGHT EXTERNAL |
| SECOND SHOULDER LENGTH | 0.080 INCHES NOMINAL |
| SECOND SHOULDER WIDTH ACROSS FLATS | 0.310 INCHES NOMINAL |
| SHOULDER WIDTH ACROSS FLATS | 0.310 INCHES NOMINAL |
| SHOULDER LENGTH | 0.125 INCHES NOMINAL |
| WIDTH ACROSS FLATS | 0.310 INCHES NOMINAL |
| STYLE DESIGNATOR | TWO SHOULDERS LEFT INTERNAL AND RIGHT EXTERNAL THREADS |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 3A RIGHT EXTERNAL |
| THREAD CLASS | 3B LEFT INTERNAL (INCLUDES THRU THREAD) |
| THREAD DIRECTION | LEFT-HAND LEFT INTERNAL (INCLUDES THRU THREAD) |
| THREAD DIRECTION | RIGHT-HAND RIGHT EXTERNAL |
| THREAD LENGTH | 0.530 INCHES MINIMUM AND 0.560 INCHES MAXIMUM LEFT INTERNAL (INCLUDES THRU THREAD) |
| THREAD LENGTH | 0.750 INCHES NOMINAL RIGHT EXTERNAL |
| THREAD QUANTITY PER INCH | 32 LEFT INTERNAL (INCLUDES THRU THREAD) |
| THREAD QUANTITY PER INCH | 32 RIGHT EXTERNAL |
| THREAD SERIES DESIGNATOR | UNJC RIGHT EXTERNAL |
| THREAD SERIES DESIGNATOR | UNJC LEFT INTERNAL (INCLUDES THRU THREAD) |