| EIA ELECTRON TUBE ENVELOPE ACCOMMODATED | T6-4 |
| ACCOMMODATED ITEM SECURING DEVICE TYPE | TWIST LOCK |
| FEATURES PROVIDED | SPRING |
| OVERALL DIAMETER | 1.000 INCHES NOMINAL |
| OVERALL HEIGHT | 2.562 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250 FED SPEC 1ST MATERIAL RESPONSE AND QQ-C-533 FED SPEC 3RD MATERIAL RESPONSE AND QQ-C-533 FED SPEC 4TH MATERIAL RESPONSE |
| MATERIAL | ALUMINUM ALLOY AND ALUMINUM ALLOY 6061 AND COPPER ALLOY 170 AND COPPER ALLOY 172 |
| MOUNTING FACILITY TYPE AND QUANTITY | 1 TWIST LOCK SINGLE MOUNTING FACILITY |
| SPECIFICATION/STANDARD DATA | 81349-MIL-S-24251/3 GOVERNMENT SPECIFICATION |
| STYLE DESIGNATOR | TWIST LOCK W/LINER AND VENTILATED SHELL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 MIL SPEC 1ST TREATMENT RESPONSE AND QQ-P-416,T2,CL 3 FED SPEC 2ND TREATMENT RESPONSE AND MIL-C-5541 MIL SPEC 3RD TREATMENT RESPONSE |
| SURFACE TREATMENT | ANODIZE AND CADMIUM AND OXIDE FILM |
| TEST DATA DOCUMENT | 81349-MIL-S-24251 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |