| EIA ELECTRON TUBE ENVELOPE ACCOMMODATED | T3 3-3 |
| ACCOMMODATED ITEM SECURING DEVICE TYPE | FRICTION FASTENER |
| DISTANCE BETWEEN MOUNTING FACILITY CENTERS | 1.543 INCHES NOMINAL SINGLE MOUNTING FACILITY SECOND CENTER GROUP |
| DISTANCE BETWEEN MOUNTING FACILITY CENTERS | 0.297 INCHES NOMINAL SINGLE MOUNTING FACILITY FIRST CENTER GROUP |
| OVERALL HEIGHT | 0.500 INCHES MAXIMUM |
| OVERALL LENGTH | 1.625 INCHES MAXIMUM |
| OVERALL WIDTH | 0.490 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-B-20148 MIL SPEC 1ST MATERIAL RESPONSE AND QQ-A-561 FED SPEC 1ST MATERIAL RESPONSE AND QQ-C-533 FED SPEC 2ND MATERIAL RESPONSE |
| MATERIAL | ALUMINUM ALLOY AND COPPER ALLOY 170 |
| MOUNTING FACILITY TYPE AND QUANTITY | 4 UNTHREADED HOLE SINGLE MOUNTING FACILITY |
| STYLE DESIGNATOR | OPEN END, WRAP AROUND SHELL W/BASE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,T2,CL 1 FED SPEC 1ST TREATMENT RESPONSE AND MIL-C-5541 MIL SPEC 2ND TREATMENT RESPONSE |
| SURFACE TREATMENT | CADMIUM AND OXIDE FILM |
| UNTHREADED MOUNTING HOLE DIAMETER | 0.078 INCHES NOMINAL SINGLE MOUNTING FACILITY |