A great performing low cost miniature PCB mount potentiometer from Alpha, 6.5mm diameter fitting hole, bush and shaft measures 16mm, split shaft measure 8.5mm in length.
Also now available is a 250K Stereo logarithmic potentiometer, body dimensions: 22mm long x 22mm diameter (31mm wide including lugs) with 1/4" solid shaft.
Has location lug to prevent turning of the potentiometer once in position, but can be cut off easily if not required.
Large range now available from 1k - 1M
A - Logarithmic (audio taper)
B - Linear
C - Reverse Logarithmic
Price (1off): From £1.65 +vat +p&p