By Astral
Part # 5131-81
Manufacturer Code 23375-0002
Dimensions 4.5" L x 4.5" W x 2.5" D
INYO # 5131-81 ASTRAL # 23375R0002 GENERAL DESCRIPTION: THIS IS A 1-1/2 HP IMPELLER USED ON THE ASTRAL 2000 SERIES PUMP ALSO KNOW AS THE US-1 PUMP BLACK PLASTIC IMPELLER WITH A STAINLESS STEEL SHAFT CLOSED FACE OR OPEN IMPELLER: CLOSED FACE NUMBER OF VANES 8 OUTSIDE DIAMETER: 4-9/16" THICKNESS: 1/8" (INSIDE THICKNESS AT OUTSIDE EDGE) THICKNESS: 3/8" (OUTSIDE THICKNESS AT OUTSIDE EDGE) FRONT TO BACK: 2-5/16" (FROM END OF SHAFT TO FRONT ON INTAKE) INLET INSIDE DIAMETER: 1-9/16" INLET OUTSIDE DIAMETER: 1-7/8" SHAFT COVER LENGTH: 13/16" SHAFT COVER OD 3/4" (THIS IS WHERE THE IMPELLER SCREWS ONTO THE MOTOR SHAFT) MARKINGS: "05-0.75 CV" IS MOLDED ONTO THE IMPELLER NEAR THE OUTSIDE EDGE