| FEATURES PROVIDED | LEFT HAND LOCK |
| OVERALL HEIGHT | 0.400 INCHES MAXIMUM |
| OVERALL LENGTH | 3.750 INCHES NOMINAL |
| OVERALL WIDTH | 0.375 INCHES MINIMUM AND 0.395 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/9 FED SPEC 1ST MATERIAL RESPONSE AND QQ-A-200/11 FED SPEC 2ND MATERIAL RESPONSE AND QQ-C-533 FED SPEC 3RD MATERIAL RESPONSE |
| MATERIAL | ALUMINUM ALLOY 6063 AND ALUMINUM ALLOY 7075 AND COPPER ALLOY 172 |
| MOUNTING FACILITY TYPE AND QUANTITY | 4 THREADED HOLE ALL MOUNTING FACILITIES |
| NOMINAL THREAD SIZE | 0.112 INCHES ALL MOUNTING FACILITIES |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541 MIL SPEC 1ST TREATMENT RESPONSE AND MIL-A-8625 MIL SPEC 2ND TREATMENT RESPONSE AND MIL-C-26074,CLASS 2 MIL SPEC 3RD TREATMENT RESPONSE |
| SURFACE TREATMENT | CHROMATE AND ANODIZE AND NICKEL |
| THREAD CLASS | 2B ALL MOUNTING FACILITIES |
| THREAD SERIES DESIGNATOR | UNC ALL MOUNTING FACILITIES |