ATJ6575 ROUND HEAD KNOB, 1/4″UNC fitting.  

Genuine British Leyland part.

1/4″ UNC 1 1/4″ diameter knob.

• Used on the Auxiliary Hydraulic lever on the Leyland 344 -384 on “Position Control Hydraulics” up until serial number 155081.
• Used on the Select Lever “Position or Draught” on Leyland 253 – 245, 344 – 384, 255 -270, 262-272, Cabless and Standard Cab tractors from serial number 155082 onward.
• Used on the External Services lever on Q Cab tractors 262, 272, 462, 472 until May 1979 or serial number 241534 (for tractors with serial numbers 241535 onwards CTJ6461 ROUND HEAD KNOB was used).
• Used on the Auxiliary Hydraulic lever on the Nuffield 3/45 and 4/65. 
• Used on the Auxiliary Service lever on Leyland Heavy weight tractors, 285,2100, 485, 4100.