This can replace the following Part Numbers:

DR31, 190626-001, 273672-001,

This is also compatible with the following models:

COMPAQ
Contura Aero 4/25, Contura Aero 4/33, Contura-C/CX Series, Contura Aero 4/33C series,
COMPAQ Armada 1100 Series
Armada 1100C, Armada 1100T, Armada 1110, Armada 1110T, Armada 1120, Armada 1120T, Armada 1125, Armada 1125T, Armada 1130, Armada 1130T, Armada 1135, Armada 1135T,
COMPAQ Contura 4/25 Series
Contura 4/25C, Contura 4/25CX,
COMPAQ Contura 400 Series
Contura 400C, Contura 400CX, Contura 410C, Contura 410CX, Contura 420, Contura 420CX, Contura 430C, Contura 430CX,
HITACHI
350 Series, Flora 1010MA Series, Flora 1010 ONE Series, MN1 Series, M Series, P90 Series, Trigem Subnotebook Series,