| MATERIAL | COPPER ALLOY 172 |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-C-533,1/4 HARD FED SPEC SINGLE MATERIAL RESPONSE |
| SURFACE TREATMENT | NICKEL AND |
| SILVER |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-14072,M311 MIL SPEC ALL TREATMENT RESPONSES |
| STYLE DESIGNATOR | IRREGULAR |
| OVERALL LENGTH | 1.409 INCHES NOMINAL |
| OVERALL HEIGHT | 0.343 INCHES NOMINAL |
| OVERALL WIDTH | 0.500 INCHES NOMINAL |
| MOUNTING FACILITY TYPE AND QUANTITY | 2 UNTHREADED HOLE ALL MOUNTING FACILITIES |
| UNTHREADED MOUNTING HOLE DIAMETER | 0.063 INCHES MINIMUM AND |
| 0.068 INCHES MAXIMUM ALL MOUNTING FACILITIES |
| DISTANCE BETWEEN MOUNTING FACILITY CENTERS | 1.115 INCHES MINIMUM AND |
| 1.135 INCHES MAXIMUM ALL MOUNTING FACILITIES ALL CENTER GROUPINGS |
| SPECIAL FEATURES | TWO CONTACT MTG HOLES 0.067 IN. MIN TO 0.072 IN. MAX SPACED 1.159 IN. C TO C |
| PRECIOUS MATERIAL | SILVER |
| PRECIOUS MATERIAL AND LOCATION | HOLDER SURFACES SILVER |