The resistor LED lamps, from Kingbright, are available in 3mm and 5mm package options. The LEDs have an integral current limiting resistor.
Kingbright6 V Red LED 5mm Through Hole, L-7113ID-5V
Low Current LED 5mm green diffuse
WP7113GD Kingbright, Optoelectronics
5 MM LED GREEN-DIFFUSED
Green-Diffused 5mm Standard LED
Kingbright L-483GDT 5mm 2.2V Green LED Cylindrical
Supply 5Mm Green Through-Hole LED,Ultra Brightness 5Mm Green Through-Hole LED to Your Requirements
Kingbright6 V Green LED 3mm Through Hole, L-7104GD-5V
Kingbright - L-7113LGD - Kingbright L-7113LGD 5mm Green LED Low Current - , High efficiency low current 5mm LED from
Kingbright L-7113LGD 5mm Green LED Low Current
Supply 5Mm Green Through-Hole LED,Ultra Brightness 5Mm Green Through-Hole LED to Your Requirements
Kingbright L-7113LGD 5mm Green LED Low Current