| MATERIAL | STEEL OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-W-12133,GRADE B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | PHOSPHATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-P-16232,TYPE M,CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OR |
| MIL-P-16232,TYPE Z,CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| HARDNESS RATING | 45.0 ROCKWELL C MINIMUM AND |
| 52.0 ROCKWELL C MAXIMUM |
| STYLE DESIGNATOR | SPRING TENSION |
| HOLE DIAMETER | 0.760 INCHES NOMINAL |
| OUTSIDE DIAMETER | 1.500 INCHES NOMINAL |
| OVERALL HEIGHT | 0.121 INCHES NOMINAL |
| MATERIAL THICKNESS | 0.078 INCHES NOMINAL |
| SPEC/STD CONTROLLING DATA | |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MIL-W-12133/1 |
| MANUFACTURERS CODE | 81349 |
| DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | M12133/1-12P |