| 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 | 0.312 INCHES OVERALL |
| THREAD QUANTITY PER INCH | 24 OVERALL |
| THREAD CLASS | 3A OVERALL |
| THREAD DIRECTION | LEFT-HAND OVERALL |
| THREAD LENGTH | 0.703 INCHES MINIMUM AND |
| 0.797 INCHES MAXIMUM OVERALL |
| SPECIAL FEATURES | EYE INSIDE DIAMETER: 0.313 IN. MIN. AND 0.323 IN. MAX.;SHANK LENGTH: 1.348 IN. NOM.;OVERALL LENGTH: 2.219 IN. NOM.;EYE STOCK THICKNESS: 0.276 IN. MIN. 0.286 IN. MAX.;DISTANCE FROM CENTER OF EYE TO SHANK END: 1.860 IN. MIN. AND 1.906 IN. MAX.;EYE OUTSIDE WIDTH: 0.688 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 | MS21255-6LS |