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: 228, 2 1/4 in Nominal Inside Dia., 2 1/2 in Nominal Outside Dia., 50 Shore A, Red, 10 PK O-Ring: 36 mm Nominal Inside Dia., 40 mm Nominal Outside Dia., 40 mm Actual Outside Dia., Std, 10 PK O-Ring: 60 mm Nominal Inside Dia., 68 mm Nominal Outside Dia., 68 mm Actual Outside Dia., 75 Shore A O-Ring: 329, 2 in Nominal Inside Dia., 2 3/8 in Nominal Outside Dia., 2.395 in Actual Outside Dia. O-Ring: 223, 1 5/8 in Nominal Inside Dia., 1 7/8 in Nominal Outside Dia., 75 Shore A, Black, Inch O-Ring: 48 mm Nominal Inside Dia., 58 mm Nominal Outside Dia., 58 mm Actual Outside Dia., 10 PK O-Ring: 34 mm Nominal Inside Dia., 39 mm Nominal Outside Dia., 39 mm Actual Outside Dia., Std, 5 PK O-Ring: 009, 7/32 in Nominal Inside Dia., 11/32 in Nominal Outside Dia., 55 Shore D, White, 50 PK O-Ring: 023, 1 1/16 in Nominal Inside Dia., 1 3/16 in Nominal Outside Dia., 80 Shore A, Black, 10 PK O-Ring: 012, 3/8 in Nominal Inside Dia., 1/2 in Nominal Outside Dia., 70 Shore A, Red, Inch, 10 PK O-Ring: 470, 21 in Nominal Inside Dia., 21 1/2 in Nominal Outside Dia., 90 Shore A, Black, Inch O-Ring: 017, 11/16 in Nominal Inside Dia., 13/16 in Nominal Outside Dia., 75 Shore A, Black, 10 PK O-Ring: 030, 1 5/8 in Nominal Inside Dia., 1 3/4 in Nominal Outside Dia., 80 Shore A, Black, 5 PK O-Ring: 2.5 mm Nominal Inside Dia., 5.5 mm Nominal Outside Dia., 5.5 mm Actual Outside Dia., 50 PK O-Ring: 122, 1 1/8 in Nominal Inside Dia., 1 5/16 in Nominal Outside Dia., 70 Shore A, Black, 100 PK O-Ring: 443, 7 1/2 in Nominal Inside Dia., 8 in Nominal Outside Dia., 90 Shore A, Black, Inch, 2 PK O-Ring: 30 mm Nominal Inside Dia., 38 mm Nominal Outside Dia., 38 mm Actual Outside Dia., 25 PK O-Ring: 15.5 mm Nominal Inside Dia., 21.5 mm Nominal Outside Dia., 75 Shore A, Black, 10 PK O-Ring: 2 1/8 in Nominal Inside Dia., 5/16 in Nominal Outside Dia., 55 Shore D, White, 10 PK O-Ring: 212, 7/8 in Nominal Inside Dia., 1 1/8 in Nominal Outside Dia., 70 Shore A, Black, X, 100 PK ◀◀ ◀ ▶ ▶▶
