Catalog Hardware O-Rings and O-Ring Kits O-rings and O-ring kits help ensure a tight seal to prevent air and fluid leaks in applications such as air conditioner repair or plumbing installations. ◀◀ ◀ ▶ ▶▶ O-Ring: 444, 7 3/4 in Nominal Inside Dia., 8 1/4 in Nominal Outside Dia., 90 Shore A, Black, 2 PK O-Ring: 348, 4 3/8 in Nominal Inside Dia., 4 3/4 in Nominal Outside Dia., 55 Shore D, White, 2 PK O-Ring: 22 mm Nominal Inside Dia., 26 mm Nominal Outside Dia., 26 mm Actual Outside Dia., Red, 10 PK O-Ring: 251, 5 1/8 in Nominal Inside Dia., 5 3/8 in Nominal Outside Dia., 70 Shore A, Black, 10 PK O-Ring: 012, 3/8 in Nominal Inside Dia., 1/2 in Nominal Outside Dia., 70 Shore A, Black, Inch, 25 PK O-Ring: 928, 2 in Nominal Inside Dia., 1 3/4 in Nominal Outside Dia., 70 Shore A, Black, 25 PK O-Ring: 443, 7 1/2 in Nominal Inside Dia., 8 in Nominal Outside Dia., 70 Shore A, Black, Inch, 2 PK O-Ring: 5 mm Nominal Inside Dia., 9 mm Nominal Outside Dia., 9 mm Actual Outside Dia., Black, 10 PK O-Ring: 465, 18 in Nominal Inside Dia., 18 1/2 in Nominal Outside Dia., 90 Shore A, Black O-Ring: 8.3 mm Nominal Inside Dia., 13.1 mm Nominal Outside Dia., 13.1 mm Actual Outside Dia., 50 PK O-Ring: 228, 2 1/4 in Nominal Inside Dia., 2 1/2 in Nominal Outside Dia., 90 Shore A, Black, 10 PK O-Ring: 329, 2 in Nominal Inside Dia., 2 3/8 in Nominal Outside Dia., 50 Shore A, Black, 5 PK O-Ring: 19 mm Nominal Inside Dia., 22 mm Nominal Outside Dia., 22 mm Actual Outside Dia., X, 10 PK O-Ring: 38 mm Nominal Inside Dia., 44 mm Nominal Outside Dia., 44 mm Actual Outside Dia., Std, 5 PK O-Ring: 160, 5 1/4 in Nominal Inside Dia., 5 7/16 in Nominal Outside Dia., 90 Shore A, Black, 2 PK O-Ring: 9 mm Nominal Inside Dia., 15 mm Nominal Outside Dia., 15 mm Actual Outside Dia., 10 PK O-Ring: 125 mm Nominal Inside Dia., 129 mm Nominal Outside Dia., 129 mm Actual Outside Dia., 5 PK O-Ring: 226, 2 in Nominal Inside Dia., 2 1/4 in Nominal Outside Dia., 70 Shore A, Black, Inch, 25 PK O-Ring: 353, 5 in Nominal Inside Dia., 5 3/8 in Nominal Outside Dia., 5.395 in Actual Outside Dia. O-Ring: 232, 2 3/4 in Nominal Inside Dia., 3 in Nominal Outside Dia., 3.012 in Actual Outside Dia. ◀◀ ◀ ▶ ▶▶
