Tektronix 5A20N Differential Amplifier, plugin fits the 5000-series mainframes

One Tektronix 386-3671-00 Plug In Support Alignment Guide slotted

TEKTRONIX TEK 545 585 535 500 SERIES OSCILLOSCOPE ALUMINUM BOTTOM COVER

Tektronix 5113 Oscilloscope 351-0293-00 Plug-In Guide, Slide Blue

Tektronix 465 475 Lever Switch Part

Tektronix 351-0914-00 Plastic CRT Light Guide TAS465 Oscilloscope Replacement

Tektronix Accessory Pouch for 24xx Series Scopes

Tektronix oscilloscope 500 series GREY FILTER 378-545