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: 325, 1 1/2 in Nominal Inside Dia., 1 7/8 in Nominal Outside Dia., 70 Shore A, Black, 25 PK O-Ring: 180 mm Nominal Inside Dia., 190 mm Nominal Outside Dia., 190 mm Actual Outside Dia., Black O-Ring: 23.5 mm Nominal Inside Dia., 31.5 mm Nominal Outside Dia., 70 Shore A, Black, 25 PK O-Ring: 262, 7 in Nominal Inside Dia., 7 1/4 in Nominal Outside Dia., 70 Shore A, Black, 10 PK O-Ring: 016, 5/8 in Nominal Inside Dia., 3/4 in Nominal Outside Dia., 70 Shore A, Black, Inch, 25 PK O-Ring: 114, 5/8 in Nominal Inside Dia., 13/16 in Nominal Outside Dia., 70 Shore A, Blue, 5 PK O-Ring: 12 mm Nominal Inside Dia., 15 mm Nominal Outside Dia., 15 mm Actual Outside Dia., Std, 50 PK O-Ring: 218, 1 1/4 in Nominal Inside Dia., 1 1/2 in Nominal Outside Dia., 70 Shore A, Black, 100 PK O-Ring: 12.1 mm Nominal Inside Dia., 15.3 mm Nominal Outside Dia., 70 Shore A, Black, 100 PK O-Ring: 72 mm Nominal Inside Dia., 84 mm Nominal Outside Dia., 84 mm Actual Outside Dia., 2 PK O-Ring: 221, 1 7/16 in Nominal Inside Dia., 1 11/16 in Nominal Outside Dia., 55 Shore D, 10 PK O-Ring: 64 mm Nominal Inside Dia., 68 mm Nominal Outside Dia., 68 mm Actual Outside Dia., 5 PK O-Ring: 381, 12 in Nominal Inside Dia., 12 3/8 in Nominal Outside Dia., 90 Shore A, Black O-Ring: 272, 9 1/2 in Nominal Inside Dia., 9 3/4 in Nominal Outside Dia., 70 Shore A, Black, 5 PK O-Ring: 128 mm Nominal Inside Dia., 136 mm Nominal Outside Dia., 136 mm Actual Outside Dia., 2 PK O-Ring: 018, 3/4 in Nominal Inside Dia., 7/8 in Nominal Outside Dia., 75 Shore A, Brown, 50 PK O-Ring: 17.5 mm Nominal Inside Dia., 23.5 mm Nominal Outside Dia., 70 Shore A, Black, 50 PK O-Ring: 67 mm Nominal Inside Dia., 70 mm Nominal Outside Dia., 70 mm Actual Outside Dia., Std, 5 PK O-Ring: 010, 1/4 in Nominal Inside Dia., 3/8 in Nominal Outside Dia., 75 Shore A, Black, Inch, 5 PK O-Ring: 147, 2 11/16 in Nominal Inside Dia., 2 7/8 in Nominal Outside Dia., 80 Shore A, Black, 5 PK ◀◀ ◀ ▶ ▶▶
