| DEPARTURE FROM CITED DOCUMENT | AS MODIFIED BY SURFACE TREATMENT AND BY DIM. |
| HARDNESS RATING | 82.5 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 84.5 ROCKWELL SUPERFICIAL 15-N MAXIMUM |
| HOLE DIAMETER | 0.221 INCHES MINIMUM AND 0.231 INCHES MAXIMUM |
| MATERIAL THICKNESS | 0.020 INCHES MINIMUM AND 0.025 INCHES MAXIMUM |
| MATERIAL | STEEL OVERALL |
| NONDEFINITIVE SPEC/STD DATA | A TYPE |
| OUTSIDE DIAMETER | 0.394 INCHES MINIMUM AND 0.410 INCHES MAXIMUM |
| STYLE DESIGNATOR | FLAT INTERNAL TEETH |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OR QQ-Z-325,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OR ZINC OVERALL |