Help finding mini LED light bulb

Eiko - #50 Miniature Light Bulb - Incandescent Bulbs - Amazon.com (http://www.amazon.com/Eiko-50-Miniature-Light-Bulb/dp/B000TZP2XQ/ref=sr_1_11?ie=UTF8&qid=1431259078&sr=8-11&keywords=7.5+volts++.22+amps+bulb) Image: http://ecx.images-amazon.com/images/I/615Cnjm2lRL._SL1024_.jpg This light bulb goes in an old radio. I would like to make it an LED. I can't find one in an LED that screws in and has the same Amps: .22 Volts: 7.5 Anyone know of any LEDs that size with a screw in base? Thanks.