3/8 RD X 3/4 X .166 ID
| Part | Type | Color | Diameter - Inside [diameter] | Diameter - Inside [diameter] | Plating | Between Board Height | Between Board Height | Between Board Height | Gender | Length - Overall [x] | Length - Overall [x] | Length - Overall [x] | Diameter - Outside [diameter] | Diameter - Outside [diameter] | Diameter - Outside [diameter] | Threaded/Unthreaded | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
RAF Electronic Hardware  | Round Spacer  | Clear  | 4.22 mm  | 0.166 in  | Chromate  Zinc  | 0.75 in  | 0.75 in  | 19.05 mm  | Female  | 0.75 in  | 19.05 mm  | 0.75 in  | 0.375 in  | 0.375 in  | 9.53 mm  | Unthreaded  |