R0339500 Coupling Nut O-Ring for Jandy/Zodiac Pool Pumps, O-83 (Set of 2) Part Description: Coupling Nut O-Ring Only (2 Required). I.D. 2-3/8" x O.D. 2-3/4" x W 3/16" Inside Diameter: 2-3/8" Outside Diameter: 2-3/4" Cross Section: 3/16" Compatible Part Numbers: 13-1023-06-R, 274494, 35505-1424, 4620-529, 805-0332B, 85-8263-00-R, 930, O-2002, O-83, O-83-0, O83, OV-11-32, PAC0613050, R0339600, SPX4000Z1, U9-156, U9-185, U9-374, U9185, 90-423-5332, ALDO-83, APCO2372, PAC-061-3050 R0339500 Coupling Nut O-Ring for Jandy/Zodiac Pool Pumps, O-83 (Set of 2) Part Description: Coupling Nut O-Ring Only (2 Required). I.D. 2-3/8" x O.D. 2-3/4" x W 3/16" Inside Diameter: 2-3/8" Outside Diameter: 2-3/4" Cross Section: 3/16" Compatible Part Numbers: 13-1023-06-R, 274494, 35505-1424, 4620-529, 805-0332B, 85-8263-00-R, 930, O-2002, O-83, O-83-0, O83, OV-11-32, PAC0613050, R0339600, SPX4000Z1, U9-156, U9-185, U9-374, U9185, 90-423-5332, ALDO-83, APCO2372, PAC-061-3050