| CROSS-SECTIONAL SHAPE | HEXAGON |
| HOLE DIAMETER | 0.138 INCHES NOMINAL |
| LENGTH | 0.438 INCHES MINIMUM AND 0.709 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM-A581 ASSN STD SINGLE MATERIAL RESPONSE OR AMS-5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS-5737 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A453 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| NOMINAL THREAD SIZE | 0.138 INCHES LEFT EXTERNAL |
| NOMINAL THREAD SIZE | 0.138 INCHES RIGHT INTERNAL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | MALE/FEMALE THREADED STANDOFF |
| RIGHT PROJECTION DIAMETER | 0.138 INCHES NOMINAL |
| RIGHT PROJECTION LENGTH | 0.375 INCHES NOMINAL |
| WIDTH ACROSS FLATS | 0.313 INCHES NOMINAL |
| STYLE DESIGNATOR | PROJECTION ONE END LEFT INTERNAL THREAD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS-QQ-P-35 ASSN STD SINGLE TREATMENT RESPONSE OR ASTM A967, TYPE II ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 3A LEFT EXTERNAL |
| THREAD CLASS | 3B RIGHT INTERNAL |
| THREAD DIRECTION | RIGHT-HAND LEFT EXTERNAL |
| THREAD DIRECTION | RIGHT-HAND RIGHT INTERNAL |
| THREAD LENGTH | 0.375 INCHES NOMINAL RIGHT INTERNAL |
| THREAD QUANTITY PER INCH | 32 LEFT EXTERNAL |
| THREAD QUANTITY PER INCH | 32 RIGHT INTERNAL |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) RIGHT EXTERNAL |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) RIGHT INTERNAL |