| Finish | Company or Agency | Specification ID | Description | Appearance | Final Plate Thicnkess | Underplate or Strike and Thickness | Notes |
|---|---|---|---|---|---|---|---|
| Silver | Cooper Power Systems | 504 | Specification for Electro-Silver Plating | Matte to Semibright | 0.00005" Minimum per QQ-S-365 | As required by QQ-S-365 | Used primarily to prevent oxidation on non-ferrous parts thereby insuring electrical conductivity without wiping action. |
| Silver | Cooper Power Systems | 505 | Specification for Electro-Silver Plating | Matte to Semibright | 0.0002-0.0003" Average per QQ-S-365 | As required by QQ-S-365 | Used primarily to prevent oxidation on non-ferrous parts thereby insuring electrical conductivity with wiping action. |
| Silver | Cooper Power Systems | Z47A | Silver Electroplating | Semibright to Bright | Varies per ASTM B700, Section 4 with Type 3 (98% min) purity, Grade B (bright) surface appearance and Class N no supplementary surface treatment | As required by ASTM B700, sections 6.1, 6.7 and 6.7.1 | Thickness of the silver required is determiend y the application per ASTM B700 table X3.1. |
| Silver | G&W Electric | 223.011-1 | Silver Plating | Semibright to Bright | Silver plated parts or subassemblies are to have a plating thickness of 0.00015" to 0.00025" thick unless otherwise specified | None | Three categories are established to facilitate drawing specifications: 1) Inside & Outside, 2) Selective and 3) Special |
| Silver | Eaton | 50-606-2A | Electro-Silver Plating Formulas | Semibright to Bright | 0.0001-0.00015" silver. However, externally threaded parts and nuts shall be 0.00015" maximum on the thread or as nearly adjacent as possible. | None | 24 hours salt spary on brass |
| Silver | Eaton | 50-606-3A | Electro-Silver Plating Formulas | Semibright to Bright | 0.0002-0.00025" silver. However, externally threaded parts and nuts shall be 0.00025" maximum on the thread or as nearly adjacent as possible. | None | 72 hours salt spray on brass, 24 hours on threaded brass |