| ACCOMMODATED ITEM SECURING DEVICE TYPE | FRICTION FASTENER |
| DISTANCE BETWEEN MOUNTING FACILITY CENTERS | 3.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP |
| HEIGHT | 4.125 INCHES NOMINAL |
| OVERALL HEIGHT | 5.125 INCHES NOMINAL |
| OVERALL LENGTH | 4.000 INCHES NOMINAL |
| OVERALL WIDTH | 0.281 INCHES NOMINAL |
| MATERIAL | METAL |
| MOUNTING FACILITY TYPE AND QUANTITY | 2 THREADED STUD SINGLE MOUNTING FACILITY |
| MOUNTING STUD LENGTH | 1.000 INCHES NOMINAL SINGLE MOUNTING FACILITY |
| NOMINAL THREAD SIZE | 0.190 INCHES SINGLE MOUNTING FACILITY |
| SPECIFICATION/STANDARD DATA | 81349-MIL-C-19978/3 GOVERNMENT SPECIFICATION |
| STYLE DESIGNATOR | HOOK, STUD MOUNTING |
| TEST DATA DOCUMENT | 81349-MIL-C-19978 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.). |
| THREAD CLASS | 2A SINGLE MOUNTING FACILITY |
| THREAD QUANTITY PER INCH | 32 SINGLE MOUNTING FACILITY |
| THREAD SERIES DESIGNATOR | UNF SINGLE MOUNTING FACILITY |