| BODY STYLE | COMPRESSION |
| OVERALL HEIGHT | 0.270 INCHES MAXIMUM |
| OVERALL LENGTH | 3.100 INCHES NOMINAL |
| OVERALL WIDTH | 0.225 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B221 ASSN STD SINGLE MATERIAL RESPONSE OR AMS-QQ-A-200/8 ASSN STD SINGLE MATERIAL RESPONSE |
| MATERIAL | ALUMINUM ALLOY |
| MOUNTING FACILITY TYPE AND QUANTITY | 2 THREADED HOLE(S) SINGLE MOUNTING FACILITY |
| NOMINAL THREAD SIZE | 0.086 INCHES ALL MOUNTING FACILITIES |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | INAVY: CARD-LOK RETAINER; STD: HOLDER, ELECTRICAL CARD, WEDGE RETAINER, 3 PIECE, SCREW ACTIVATED DRIVE, .225 X .260 INCH BODY SIZE WITH SCREW RETENTION |
| SPECIAL FEATURES | FINISH: CHEMICAL FILM; OPTION: W - LOCKWASHER AND FLAT WASHER |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) ALL MOUNTING FACILITIES |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541, CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE |
| THREAD CLASS | 2A ALL MOUNTING FACILITIES |