TAPERED SPRING Products / Mechanical Seals / Component Seals / Single Spring Product ID Product Description Specifications Download PARALLEL SPRING S250 S250 SR00 / SR20 SR00 / SR20 SRU TAPERED SPRING SIT / SITD Economy taper spring, pressed retainer SIT / SITD S12 / S12D Taper spring, machined retainer S12 / S12D SM3 / SM3N Taper spring, machined retainer SM3 / SM3N SM32 / SM32N Taper spring, machined retainer SM32 / SM32N SM37G / SM37GN Taper spring, machined retainer SM37G / SM37GN