| HARDNESS RATING | 60.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 66.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM |
| HOLE DIAMETER | 0.255 INCHES MINIMUM AND 0.265 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 0.430 INCHES MINIMUM AND 0.450 INCHES MAXIMUM |
| OVERALL HEIGHT | 0.020 INCHES MINIMUM AND 0.040 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B194,COND 1/4 HARD ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL THICKNESS | 0.004 INCHES MINIMUM AND 0.006 INCHES MAXIMUM |
| MATERIAL | BERYLLIUM OVERALL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |