75050
Swaged Cartridge Heaters (HotRods) - HR75050M 3/4 x 5 Inch 240V 375W
A nice touch with FSD is the protective packaging they use for shipping.
Swaged Cartridge Heaters (HotRods) - HR75050L 3/4 x 5 Inch 120V 375W
You will find that the unbranded generic option is a no-brainer for workshop spares.