| COTTER PIN HOLE DIAMETER | 0.125 INCHES NOMINAL FIRST HOLE |
| DISTANCE FROM COTTER PIN HOLE CENTERLINE TO NUT END | 0.150 INCHES NOMINAL FIRST HOLE |
| DISTANCE FROM SERRATED PORTION TO END OF STUD THREAD | 0.520 INCHES NOMINAL |
| DISTANCE FROM SERRATED PORTION TO NUT END | 0.438 INCHES NOMINAL |
| DISTANCE FROM SERRATED PORTION TO STUD END | 1.090 INCHES NOMINAL |
| LOCKING FEATURE | RING, LOCK SERRATED |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL COMP 4130 |
| NOMINAL THREAD SIZE | 0.438 INCHES NUT THREAD |
| NOMINAL THREAD SIZE | 0.500 INCHES STUD THREAD |
| OVERALL LENGTH | 1.528 INCHES NOMINAL |
| SERRATION QUANTITY | 26 |
| SHOULDER DIAMETER | 0.500 INCHES NOMINAL |
| SPECIAL FEATURES | COTTER PIN HOLES 90 DEG APART |
| STYLE DESIGNATOR | LOCKED IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| 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 NOMINAL NUT THREAD |
| THREAD LENGTH | 0.570 INCHES NOMINAL STUD THREAD |
| THREAD QUANTITY PER INCH | 13 STUD THREAD |
| THREAD QUANTITY PER INCH | 20 NUT THREAD |
| THREAD PITCH DIAMETERS | +0.4512 TO 0.4537 INCHES STUD THREAD |
| THREAD SERIES DESIGNATOR | UNF NUT THREAD |
| THREAD SERIES DESIGNATOR | UNS STUD THREAD |