Includes (1) 530016134 NutNew, Bulk PackedGenuine OEM Replacement Part # 530016134Consult owners manual for proper part number identification and proper installationPlease refer to list for compatibilityCompatible with the following: Husqvarna: 240, 240 E, 136, 137, 137, 137, 137, 137, 137 E, 137 E, 137 E, 137 E, 137 E, 141, 142, 142, 142, 142, 142, 142 E, 142 E, 142 E, 142 E, 142 E, 235, 235 E, 125B 28cc 2-Stroke 170-MPH -Powered Handheld, 125BVX, 125BVX, 125BVX, 125BVX952711902, 125BX, 125BX, 125BVX28cc 2-Cycle Powered 170 Mph /Vac With Smart Start, 125BVX28cc 2-Cycle Powered 170 Mph /Vac With Smart Start, Poulan:, PP4620AVX, Poulan:, 1900, 1950, 1950, 1950, 1950, 1950, 1950, 1950, 1950LE, 1950LE, 1975, 1975, 1975, 1975, 1975, 1975, 1975, 1975, 1975LE, 1975LE, 2025, 2050, 2050, 2050, 2050, 2050, 2050, 2055, 2055, 2055, 2055, 2055, 2055, 2055, 2050LE, 2050LE, 2050WT, 2050WT, 2050WT, 2050WT, 2050WT, 2050WT, 2050WT, 2055LE, 2055LE, 2075, 2075, 2075, 2075, 2075 : 2075 LE, 2075C, 2075C, 2075C, 2075C, 2075C, 2075OC, 2075OC, 2075OC, 2075OC, 2075OC, 2150, 2150, 2150, 2150, 2150, 2150, 2150 : 2150, 2150, 2150, 2150, 2150, 2150, 2150LE, 2150LE, 2150LE, 2150LE, 2155, 2155, 2155, 2155, 2155, 2175, 2175, 2175, 2175, 2175, 2175, 2175, 2175, 2250, 2250 Chain