| MATERIAL | STEEL |
| OVERALL LENGTH | 1.875 INCHES NOMINAL |
| THREAD SERIES DESIGNATOR | UNF NUT THREAD |
| UNF STUD THREAD |
| NOMINAL THREAD SIZE | 0.375 INCHES NUT THREAD |
| 0.375 INCHES STUD THREAD |
| THREAD CLASS | 3A NUT THREAD |
| 5A STUD THREAD |
| THREAD QUANTITY PER INCH | 24 NUT THREAD |
| 24 STUD THREAD |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| RIGHT-HAND STUD THREAD |
| THREAD LENGTH | 1.000 INCHES MINIMUM NUT THREAD |
| 0.562 INCHES MAXIMUM STUD THREAD |
| NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND |
| A STYLE AND |
| 5 GRADE |
| DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY NUT END THREAD LENGTH AND MODIFIED BY STUD END THREAD LENGTH |
| HARDNESS RATING | 23.0 ROCKWELL C MINIMUM AND |
| 32.0 ROCKWELL C MAXIMUM |
| DISTANCE FROM COTTER PIN HOLE CENTERLINE TO NUT END | 0.125 INCHES NOMINAL FIRST HOLE |
| COTTER PIN HOLE DIAMETER | 0.094 INCHES NOMINAL FIRST HOLE |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | 81349 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MILB857ATYPE1STYLEAGRADE5 |