| DISTANCE FROM CENTERLINE TO END OF KEY | 0.750 INCHES NOMINAL |
| EXTERNAL KEY QUANTITY | 3 |
| EXTERNAL STRAIGHT KEY WIDTH | 0.400 INCHES NOMINAL |
| HOLE DIAMETER | 0.255 INCHES MINIMUM AND 0.262 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-C-533 1/2 HARD FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL THICKNESS | 0.254 INCHES MINIMUM AND 0.284 INCHES MAXIMUM |
| MATERIAL | COPPER ALLOY 172 OVERALL |
| OVERALL DISTANCE INCLUDING KEYS | 1.150 INCHES NOMINAL |
| OVERALL WIDTH | 0.670 INCHES NOMINAL |
| SPECIAL FEATURES | KEYS CENTER SLOTTED 0.010 IN. MIN 0.030 IN. MAX BY 0.320 IN. DEEP,CHAMFER OUTSIDE RIGHT CORNER OPPOSITE CENTER KEY 0.120 IN. BY 0.120 IN. |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B545 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | TIN OVERALL |