Overview Product Description 232587 New-No Box; Martin SD-1-5/8 QD Bushing; 1.625" ID; 3.1875" Flg OD; . Item is New; unused; no factory packaging. Austin Surplus SKU: 232587 Location: GRG-R16-P12-S05-E-0001044 Product Videos Custom Field MPN SD-1-5/8 Product Reviews