1/4 RD X 1 3/8 X .166 ID
| Part | Length - Overall [x] | Length - Overall [x] | Material | Diameter - Outside [diameter] | Diameter - Outside [diameter] | Diameter - Outside [diameter] | Between Board Height | Between Board Height | Type | Diameter - Inside [diameter] | Diameter - Inside [diameter] | Gender | Threaded/Unthreaded | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
RAF Electronic Hardware  | 34.93 mm  | 1.375 in  | Nylon  | 6.35 mm  | 0.25 in  | 0.25 in  | 1.375 in  | 34.93 mm  | Round Spacer  | 4.22 mm  | 0.166 in  | Female  | Unthreaded  | 
RAF Electronic Hardware  | 34.93 mm  | 1.375 in  | Nylon  | 6.35 mm  | 0.25 in  | 0.25 in  | 1.375 in  | 34.93 mm  | Round Spacer  | 2.92 mm  | 0.115 in  | Female  | Unthreaded  |