What is the part number of this vacuum tube?

Karcher - Vacuum Tube, Squeegee #86323910

Vacuum Tube Computer Part 33: Input/Output Address Decoding

Vacuum Tube Computer Part 30: Two Bytes of Memory - Continuity

Vacuum Tube Test Socket Adapter Octal 7 9 Pin Pomona Hickok Socket

Vacuum Tube Patent Art by Ken Mills

Electronic tube base: as a connector connecting PCB circuit board and electronic tube，tube amplifier, it is mainly used for spare parts of audio

MECCANIXITY 9pin PCB Tube Socket Plastic, Vacuum Tube Protect Tube Pin Socket Tinning Plated, White Suitable for 12AX7 Pack of 2

vacuum tube - Wiktionary, the free dictionary

Parts Express 8-Pin Vacuum Tube Socket Belton Micalex

807, VT-100A, JAN-CHS, Sylvania, Tetrode, Vacuum, Tube, New Old