| MATERIAL | STEEL CORROSION RESISTING OVERALL | 
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A581 ASSN STD SINGLE MATERIAL RESPONSE OR | 
|  | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | 
| SURFACE TREATMENT | PASSIVATE OVERALL | 
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-14072 E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | 
| CROSS-SECTIONAL SHAPE | HEXAGON | 
| WIDTH ACROSS FLATS | 0.250 INCHES NOMINAL | 
| STYLE DESIGNATOR | LEFT INTERNAL AND RIGHT EXTERNAL THREAD | 
| LENGTH | 0.375 INCHES NOMINAL | 
| RIGHT PROJECTION DIAMETER | 0.164 INCHES NOMINAL | 
| RIGHT PROJECTION LENGTH | 0.438 INCHES NOMINAL | 
| THREAD SERIES DESIGNATOR | UNC LEFT INTERNAL (INCLUDES THRU THREAD) | 
|  | UNC RIGHT EXTERNAL | 
| NOMINAL THREAD SIZE | 0.164 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) | 
|  | 0.164 INCHES RIGHT EXTERNAL | 
| THREAD QUANTITY PER INCH | 32 LEFT INTERNAL (INCLUDES THRU THREAD) | 
|  | 32 RIGHT EXTERNAL | 
| THREAD CLASS | 2B LEFT INTERNAL (INCLUDES THRU THREAD) | 
|  | 2A RIGHT EXTERNAL | 
| THREAD DIRECTION | RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD) | 
|  | RIGHT-HAND RIGHT EXTERNAL | 
| THREAD LENGTH | 0.375 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) | 
|  | 0.500 INCHES NOMINAL RIGHT EXTERNAL |