Metal case vintage Russian red LED

They measure 5mm diameter with a 4mm diameter lens. They have a metal case with clear dome lens and light up a dim red.

Get a piece of LED history, once these are gone, they're gone!

Specifications:

• Minimum luminous intensity Iv: 0.2 mcd at 10mA
• Vf maximum: 2.8V
• Reverse voltage maximum: 2.0V
• Forward current maximum: 20mA
• Wavelength: 690 to 710nm
• Operating temperature: -60 to +70°C

Note: many of these have bent pins. This is normal and how they were generally supplied.