O-Ring Depot Seal Kit Compatible for Aurora Pump 4760278644 476-0278-644 / Buna air 4 total o-rings in kit

4 total o-rings in kit

29 mm INNER DIAMETER: 15/16"

A-Quality has high chemical resist and does not swell in solvents

501910 Piston Ring

O-Ring Depot Seal Kit Compatible for Aurora Pump 4760278644 476-0278-644 / Buna air 4 total o-rings in kitContains Buna o rings and Ceramic seal. Includes screw, washer, impeller key and lube. Also available with NiResist Seal and Buna elastomers. Also available with EPR for use with Glycol. Also available with Viton FKM for use with harsher chemicals and temps up to 440 F. Fits Series BF 320, 320 BF AI, 326A BF AI. Models 321 Size 4", 5", 6", 7", 9"; 323 Size 4", 5", 6", 7", 9"; 324A Size 4", 5", 6", 7"; 326A Models B, C & D Size 6"; 326A Models F, G & H