512/Console:

• Bumpons: 6x2mm
• Gasket: 1mm x 76mm x 5mm (any cushioned adhesive strip will do, but the original was silicon)
• PCB: any standard 60% pcb
• 512 Winkeyless Plate
• 512 Winkey Plate

Moontower/Moontower V2:

• Moontower O-ring
• Bumpons: 8x2mm
• PCB: Hiney H60
• Moontower Plate (also compatible with standard 60% plates)
• Clip-in GMK or TX stabs (there have been some reports of filing down screw-in stabs, but I haven't tried myself)
• Easy Plate removal technique

1894 PCB Instructions:

• Download the atxkb/1894 via hex here
• Download and install qmk toolbox here
• Download VIA here 
• Plug in your pcb and daughterboard
• Press the reset button on the bottom of the pcb
• Flash the atxkb/1894 via hex to the pcb using qmk toolbox
• Customize the pcb layout/lighting/etc with via

H60 PCB Instructions:

• Same as 1894, but you'll need to use this hex file instead