| FLANGE WIDTH ACROSS FLATS | 0.750 INCHES NOMINAL |
| FLANGE THICKNESS | 3.500 INCHES NOMINAL |
| LENGTH | 4.000 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE STANDOFF |
| MATERIAL | STEEL STANDOFF |
| NOMINAL THREAD SIZE | 0.250 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) |
| NOMINAL THREAD SIZE | 0.500 INCHES RIGHT EXTERNAL |
| STYLE DESIGNATOR | FLANGED WITH LEFT INTERNAL THREAD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 1 CL 3 FED SPEC SINGLE TREATMENT RESPONSE STANDOFF |
| SURFACE TREATMENT | CADMIUM AND PHOSPHATE STANDOFF |
| THREAD LENGTH | 0.250 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD)0.440 INCHES NOMINAL RIGHT EXTERNAL |
| THREAD CLASS | 2B LEFT INTERNAL (INCLUDES THRU THREAD)2A RIGHT EXTERNAL |
| THREAD DIRECTION | RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD) |
| THREAD DIRECTION | RIGHT-HAND RIGHT EXTERNAL |
| THREAD SERIES DESIGNATOR | UNF LEFT INTERNAL (INCLUDES THRU THREAD) |
| THREAD SERIES DESIGNATOR | UNF RIGHT EXTERNAL |
| THREAD QUANTITY PER INCH | 20 RIGHT EXTERNAL |
| THREAD QUANTITY PER INCH | 28 LEFT INTERNAL (INCLUDES THRU THREAD) |