| MATERIAL | NICKEL ALLOY K-500 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-286,CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| HARDNESS RATING | 33.0 ROCKWELL C MINIMUM AND |
| 40.0 ROCKWELL C MAXIMUM |
| STYLE DESIGNATOR | SPLIT HELICAL-RIGHT HAND |
| HOLE DIAMETER | 2.187 INCHES NOMINAL |
| OUTSIDE DIAMETER | 2.850 INCHES MAXIMUM |
| MATERIAL THICKNESS | 0.250 INCHES NOMINAL |
| SPECIFICATION/STANDARD DATA | 81349-MIL-S-24235/1 GOVERNMENT SPECIFICATION |
| DEPARTURE FROM CITED DOCUMENT | AS MODIFIED BY MATERIAL |
| HEAT TREATMENT | AGE HARDENING |
| MINIMUM TENSILE STRENGTH | 155000 POUNDS PER SQUARE INCH |
| SPEC/STD CONTROLLING DATA | |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MIL-S-24235/1 |
| MANUFACTURERS CODE | 81349 |
| DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | M24235/1-035 |