... .4mm / 5.0mm. With central pin inside. Replace Part Number:PA-12, 9T215, NADP-90KB, 00001, 310-2860, 310-3149, 310 ... , 5U092, DF263, F7970, HF991, MK911, N2765, N2768, NF642, pa12, Pa-12, PA-1650-050, PC531, XD733, XD802, YR733Compatible Models: Inspiron 300M, 500M ... 19.5V 3.34A 65W AC Adapter Charger for Laptop PA-12