Home > Products > Couplings & Accessories > Adjustable Snap Style Couplings ADJUSTABLE SNAP COUPLINGS Adjustable Snap Couplings for quick release applications. 3" to 7" are available for use with Hevi-Duty™ ends, and 148mm for use with metric ends. Factory Part Numbers Recomended Components Warranty Factory Part Numbers Part Number Size End Type Working Pressure bar / psi Shipping Weight lbs. / kg. C30SD 3" Hevi-Duty™ 130 / 1885 8.5 / 3.9 C40SD 4" Hevi-Duty™ 130 / 1885 11.0 / 5 C50SD 5" Hevi-Duty™ 105 / 1523 13.8 / 6.3 C148SM 148mm Metric 85 / 1233 14.0 / 6.4 C60SD 6" Hevi-Duty™ 130 / 1880 20.5 / 9.3 C70SD 7" Hevi-Duty™ 85 / 1233 19.5 / 8.9 Recomended Components Warranty 3-year limited warranty on mechanical and structural components 2-year limited warranty on gasoline and diesel engines 2-year limited warranty on electrical and hydraulic systems 10-year limited warranty on exclusively designed ‘double ball’ slewing ring