O-139 O-ring 5 1/4 ID 90-423-5252

O-ring 90-423-5252 or O-139 is 5 1/4" inner diameter and 1/8" thick 90-423-5252.

 5 1/4" inner diameter and 5 1/2" outer diameter.

Replaces  14971-SM10E7 , 252 , 252-7470-10 , 27-102-1112 , 27-110-1342 , 27-110-1496 , 27-253-1032 , 271103 , 300004 , 35-185-1012 , 35-270-1519 , 4611-39 , 4659-38 , 4700-05A , 4700-05AX , 4703-05 , 4771-03 , 5030-06 , 51002200 , 568-252 , 608193 , 608335 , 608365 , 610377858618 , 788379693640 , 788379694562 , 788379772321 , 805-0252 , 806105129697 , 90-423-1139 , APCO2396 , E-7-S1 , O-139 , PAC-061-7499 , SPG-601-1102 , SPX0710XZ5

O-ring type used in Sta-Rite Multiport valves, Praher multiport valves, Sonfarrel - Martec pumps, Waterway center discharge pool and spa pumps and E-Series wet ends.