26831 Oregon Chainsaw Sprocket NOS 3/8"-7T (rim 68210 not included).

Fits:
Husqvarna 61 (after s/n 0510572), 266 (after s/n 510000), 268 (after s/n 510000), 272 (after s/n 0510000)
Jonsered 625 (after s/n 0510123), 630 (after s/n 510000), 630 SUPER (after s/n 510000), 630 West Coast (after s/n 0510153).

Replaces:
Husqvarna 503701401, 503 70 14-01

SR-5