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: 18.6 mm Nominal Inside Dia., 23.4 mm Nominal Outside Dia., 70 Shore A, Black, 50 PK O-Ring: 210 mm Nominal Inside Dia., 216 mm Nominal Outside Dia., 216 mm Actual Outside Dia., Black O-Ring: 124, 1 1/4 in Nominal Inside Dia., 1 7/16 in Nominal Outside Dia., 70 Shore A, Natural, 2 PK O-Ring: 135, 1 15/16 in Nominal Inside Dia., 2 1/8 in Nominal Outside Dia., 55 Shore D, White, 5 PK O-Ring: 025, 1 3/16 in Nominal Inside Dia., 1 5/16 in Nominal Outside Dia., 60 Shore A, White, 10 PK O-Ring: 141, 2 5/16 in Nominal Inside Dia., 2 1/2 in Nominal Outside Dia., 50 Shore A, Black, 25 PK O-Ring: 014, 1/2 in Nominal Inside Dia., 5/8 in Nominal Outside Dia., 70 Shore A, Black, Std, 100 PK O-Ring: 47 mm Nominal Inside Dia., 50 mm Nominal Outside Dia., 50 mm Actual Outside Dia., Std, 25 PK O-Ring: 017, 11/16 in Nominal Inside Dia., 13/16 in Nominal Outside Dia., 75 Shore A, Brown, 50 PK Backup Ring, Contoured: Buna N, For 207, 0.05 in Thick, 0.174 in Radius, 100 PK O-Ring: 029, 1 1/2 in Nominal Inside Dia., 1 5/8 in Nominal Outside Dia., 90 Shore A, Black, 25 PK O-Ring: 7.1 mm Nominal Inside Dia., 10.3 mm Nominal Outside Dia., 10.3 mm Actual Outside Dia., 25 PK O-Ring: 60 mm Nominal Inside Dia., 67 mm Nominal Outside Dia., 67 mm Actual Outside Dia., 25 PK O-Ring: 21.7 mm Nominal Inside Dia., 28.7 mm Nominal Outside Dia., 70 Shore A, Black, Metric, 25 PK O-Ring: 453, 12 in Nominal Inside Dia., 12 1/2 in Nominal Outside Dia., 75 Shore A, Black O-Ring: 21 mm Nominal Inside Dia., 26 mm Nominal Outside Dia., 26 mm Actual Outside Dia., 50 PK O-Ring: 42.2 mm Nominal Inside Dia., 48.2 mm Nominal Outside Dia., 70 Shore A, Black, 25 PK O-Ring: 395, 26 in Nominal Inside Dia., 26 3/8 in Nominal Outside Dia., 26.36 in Actual Outside Dia. O-Ring: 14 mm Nominal Inside Dia., 17 mm Nominal Outside Dia., 17 mm Actual Outside Dia., 100 PK O-Ring: 55 mm Nominal Inside Dia., 67 mm Nominal Outside Dia., 67 mm Actual Outside Dia., 75 Shore A ◀◀ ◀ ▶ ▶▶
