Individual Spacer ( part number 14241 ) is sold separately, but it also comes in many different KITS that include the Seals.
Spacer cross references to part number 17865.
60125 Top Seals And Spacers Kit for Fleck 5600, 9000, and 9100 Valves.
The 60125 Kit Includes: 5 Seals ( 13242 ), 4 Spacers ( 14241 )
NOTE: Other Kits for other Fleck Valves may use the same Seals and Spacers, but the quantity will vary depending on the model.
And a few have an extra "end spacer".