5/16 RD X 1.00 X .166 ID
| Part | Type | Diameter - Outside [diameter] | Diameter - Outside [diameter] | Length - Overall | Length - Overall | Material | Gender | Diameter - Inside [diameter] | Diameter - Inside [diameter] | Threaded/Unthreaded | Between Board Height | Between Board Height | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|
RAF Electronic Hardware  | Round Spacer  | 0.313 in  | 7.94 mm  | 25.4 mm  | 1 "  | Aluminum  | Female  | 4.22 mm  | 0.166 in  | Unthreaded  | 1 in  | 25.4 mm  |