The Seimitsu PS-14-D is a solid color, flat top, 24mm pushbutton designed to snap into a metal control panel. 

This pushbutton is available in 7 colors, Red, White, Blue, Green, Yellow,  Pink and Black. It is also available with a black rim. 

Button Specification:

• Solid rim, Solid color plunger
• Diameter: 24 mm (0.945 inch)
• Overall diameter: 27 mm (1.063 inch)
• .110 quick connects
  
• Used most commonly for Start, Select, Home action buttons and Hit Boxes
• Snap-in Button

Microswitch Specification:

• Product Name: MM9-3
• Manufacturer: Tokai Tushinkizai (東海通信器材株式会社)
• Operating force: 100 ± 30g
• Stroke distance to Operating Position: 2.5 ± 0.3mm
• Bounce back to Free Position: Less than 10mSec
• Mechanical Endurance (Lifespan Cycle): Over 2,000,000 times