| COTTER PIN HOLE DIAMETER | 0.078 INCHES NOMINAL SECOND HOLE |
| DISTANCE FROM COTTER PIN HOLE CENTERLINE TO NUT END | 0.145 INCHES NOMINAL FIRST HOLE |
| DISTANCE FROM COTTER PIN HOLE CENTERLINE TO NUT END | 0.145 INCHES NOMINAL SECOND HOLE |
| OVERALL LENGTH | 3.888 INCHES MINIMUM AND 3.890 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL CORROSION RESISTING |
| NOMINAL THREAD SIZE | 0.312 INCHES NUT THREAD |
| NOMINAL THREAD SIZE | 0.312 INCHES STUD THREAD |
| NUT END SHANK DIAMETER | 0.3122 INCHES MINIMUM AND 0.3124 INCHES MAXIMUM |
| NUT END SHANK LENGTH | 0.285 INCHES NOMINAL |
| SHOULDER DIAMETER | 0.4376 INCHES MINIMUM AND 0.4378 INCHES MAXIMUM |
| SHOULDER LENGTH | 2.688 INCHES MINIMUM AND 2.690 INCHES MAXIMUM |
| STUD END SHANK DIAMETER | 0.3122 INCHES MINIMUM AND 0.3124 INCHES MAXIMUM |
| STUD END SHANK LENGTH | 0.285 INCHES NOMINAL |
| STYLE DESIGNATOR | SHOULDERED |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-STD-171 MIL STD 1ST TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-C-320 FED SPEC 2ND TREATMENT RESPONSE SHOULDER BEARING SURFACE |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| SURFACE TREATMENT | CHROMIUM SHOULDER BEARING SURFACE |
| THREAD CLASS | 3A NUT THREAD |
| THREAD CLASS | 3A STUD THREAD |
| THREAD LENGTH | 0.315 INCHES NOMINAL NUT THREAD |
| THREAD LENGTH | 0.315 INCHES NOMINAL STUD THREAD |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND STUD THREAD |
| THREAD QUANTITY PER INCH | 24 NUT THREAD |
| THREAD QUANTITY PER INCH | 24 STUD THREAD |
| THREAD SERIES DESIGNATOR | UNF NUT THREAD |
| THREAD SERIES DESIGNATOR | UNF STUD THREAD |