| HARDNESS RATING | 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM |
| HOLE DIAMETER | 1.525 INCHES MINIMUM AND 1.577 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 2.352 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | -FED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL THICKNESS | 0.282 INCHES MINIMUM AND 0.302 INCHES MAXIMUM |
| MATERIAL | STEEL OVERALL |
| NONDEFINITIVE SPEC/STD DATA | 1 STYLE AND A CLASS |
| STYLE DESIGNATOR | SPLIT HELICAL-RIGHT HAND |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | -MIL-C-16232,TY Z MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PHOSPHATE OVERALL |