| EXTERNAL PREBENT KEY LENGTH | 0.075 INCHES MINIMUM AND 0.085 INCHES MAXIMUM |
| EXTERNAL PREBENT KEY WIDTH | 0.059 INCHES MINIMUM AND 0.061 INCHES MAXIMUM |
| HOLE DIAMETER | 0.250 INCHES MINIMUM AND 0.251 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 0.400 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-766,COND A,FINISH NO. 2B FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL THICKNESS | 0.024 INCHES MINIMUM AND 0.026 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 302 OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35,TY 4 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |