£4.70

For the majority of  Furnaces from Optimus, Primus etc eg Primus 84, 85, 701, 702, 703, 704, Optimus 527, 528, 529, 530, 531 & stoves with large burners like the Optimus & Primus No:3.  For guidance the ID of these washers is 16mm & these are 'screwed' on over the thread to sit in the non-threaded part.

Product Code: NAB03 - B-A3