| DISTANCE ACROSS FLATS | 19.0 MILLIMETERS NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | ISO898-1 ASSN STD SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL |
| III HARDNESS RATING | 250 VICKERS OR FIRTH DIAMOND PYRAMID MINIMUM AND 320 VICKERS OR FIRTH DIAMOND PYRAMID MAXIMUM |
| III PURCHASE DESCRIPTION IDENTIFICATION | D8266-5509900510 |
| NOMINAL THREAD SIZE | 12.0 MILLIMETERS NUT THREAD |
| NOMINAL THREAD SIZE | 12.0 MILLIMETERS STUD THREAD |
| NUT END SHANK DIAMETER | 13.0 MILLIMETERS NOMINAL |
| NUT END SHANK LENGTH | 33.0 MILLIMETERS NOMINAL |
| OVERALL LENGTH | 105.0 MILLIMETERS NOMINAL |
| SHOULDER LENGTH | 5.0 MILLIMETERS NOMINAL |
| STUD END SHANK DIAMETER | 12.2 MILLIMETERS NOMINAL |
| STUD END SHANK LENGTH | 22.0 MILLIMETERS NOMINAL |
| STYLE DESIGNATOR | SHOULDERED |
| SURFACE TREATMENT | PHOSPHATE OVERALL |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND STUD THREAD |
| THREAD LENGTH | 22.7 MILLIMETERS NOMINAL NUT THREAD |
| THREAD LENGTH | 13.7 MILLIMETERS NOMINAL STUD THREAD |
| THREAD SERIES DESIGNATOR | ISO M NUT THREAD |
| THREAD SERIES DESIGNATOR | ISO M STUD THREAD |
| THREAD PITCH IN MILLIMETERS | 1.75 NUT THREAD |
| THREAD PITCH IN MILLIMETERS | 1.75 STUD THREAD |
| THREAD TOLERANCE CLASS | 6 KLEIN G EXTERNAL STUD THREAD |
| THREAD TOLERANCE CLASS | 6 KLEIN G EXTERNAL NUT THREAD |