| DISTANCE FROM COTTER PIN HOLE CENTERLINE TO NUT END | 0.094 INCHES NOMINAL FIRST HOLE |
| COTTER PIN HOLE DIAMETER | 0.076 INCHES NOMINAL FIRST HOLE |
| HARDNESS RATING | 29.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM |
| OVERALL LENGTH | 1.125 INCHES NOMINAL |
| MATERIAL | STEEL COMP 3140 OR STEEL COMP 4037 OR STEEL COMP 4130 OR STEEL COMP 4140 OR STEEL COMP 4135 |
| NOMINAL THREAD SIZE | 0.250 INCHES NUT THREAD |
| NOMINAL THREAD SIZE | 0.250 INCHES STUD THREAD |
| SPECIAL FEATURES | STUD END THREAD 0.006 IN. OVERSIZE |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 3A NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND STUD THREAD |
| THREAD LENGTH | 0.438 INCHES MINIMUM STUD THREAD |
| THREAD LENGTH | 0.562 INCHES MINIMUM NUT THREAD |
| THREAD PITCH DIAMETERS | +0.2261 TO 0.2275 INCHES STUD THREAD |
| THREAD SERIES DESIGNATOR | UNF NUT THREAD |
| THREAD SERIES DESIGNATOR | UNS STUD THREAD |
| THREAD QUANTITY PER INCH | 20 STUD THREAD |
| THREAD QUANTITY PER INCH | 28 NUT THREAD |