suitable for mm
the new model of Murray's seat which is starting to appear in 2001->, with a smaller outer diameter than the previous model.
mm Murray models; 385008x51A, 385008x51B, 385047X51A, 405000x8F, 405602x51A, 405605x51A, 425308x31A, 465617x51A, 7800162E, 7800307E, 7800411
(outer diameter 49 mm)
replaces the original numbers
Murray 690411MA, 690411