| EIA ELECTRON TUBE ENVELOPE ACCOMMODATED | T5 1/2 |
| ACCOMMODATED ITEM SECURING DEVICE TYPE | FRICTION FASTENER |
| BOLT CIRCLE DIAMETER | 3.270 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-591,CP 1 FED SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | ALUMINUM ALLOY |
| MOUNTING FACILITY TYPE AND QUANTITY | 4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY |
| OVERALL HEIGHT | 1.125 INCHES NOMINAL |
| OVERALL LENGTH | 2.750 INCHES NOMINAL |
| OVERALL WIDTH | 2.750 INCHES NOMINAL |
| STYLE DESIGNATOR | IRREGULAR |
| TUBE ENVELOPE ACCOMMODATED MAXIMUM DIAMETER | 0.750 INCHES |
| UNTHREADED MOUNTING HOLE DIAMETER | 0.194 INCHES NOMINAL SINGLE MOUNTING FACILITY |