| MATERIAL | STEEL OVERALL |
| SURFACE TREATMENT | CADMIUM AND |
| CHROMATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TYPE 2 CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| THREAD SERIES DESIGNATOR | UNF OVERALL |
| NOMINAL THREAD SIZE | 0.138 INCHES OVERALL |
| THREAD QUANTITY PER INCH | 40 OVERALL |
| THREAD CLASS | 3A OVERALL |
| THREAD DIRECTION | LEFT-HAND OVERALL |
| THREAD LENGTH | 0.328 INCHES MINIMUM AND |
| 0.422 INCHES MAXIMUM OVERALL |
| SPECIAL FEATURES | EYE INSIDE DIAMETER : 0.188 IN. MIN. AND 0.198 IN. MAX.;SHANK LENGTH: 1.175 IN. NOM.;EYE STOCK THICKNESS: 0.120 IN. MIN. AND 0.130 IN. MAX.;OVERALL LENGTH: 3.030 IN. NOM.;DISTANCE FROM CENTER OF EYE TO SHANK END: 1.853 IN. NOM.;EYE OUTSIDE WIDTH: 0.375 IN. NOM. |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | 81349 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MIL-DTL-8878 |
| MANUFACTURERS CODE | 96906 |
| DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MS21255-2LS |