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: 72 mm Nominal Inside Dia., 78 mm Nominal Outside Dia., 78 mm Actual Outside Dia., Std, 10 PK O-Ring: 105 mm Nominal Inside Dia., 111 mm Nominal Outside Dia., 111 mm Actual Outside Dia., 2 PK O-Ring: 216, 1 1/8 in Nominal Inside Dia., 1 3/8 in Nominal Outside Dia., 70 Shore A, Black, 100 PK O-Ring: 10.1 mm Nominal Inside Dia., 13.3 mm Nominal Outside Dia., 70 Shore A, Black, Metric, 25 PK O-Ring: 022, 1 in Nominal Inside Dia., 1 1/8 in Nominal Outside Dia., 60 Shore A, White, 10 PK O-Ring: 37.1 mm Nominal Inside Dia., 40.3 mm Nominal Outside Dia., 70 Shore A, Black, 25 PK O-Ring: 023, 1 1/16 in Nominal Inside Dia., 1 3/16 in Nominal Outside Dia., 60 Shore A, White, 10 PK O-Ring: 040, 2 7/8 in Nominal Inside Dia., 3 in Nominal Outside Dia., 70 Shore A, Black, 2,500 PK O-Ring: 261, 6 3/4 in Nominal Inside Dia., 7 in Nominal Outside Dia., 7.012 in Actual Outside Dia. O-Ring: 210, 3/4 in Nominal Inside Dia., 1 in Nominal Outside Dia., 90 Shore A, Black, Inch, 25 PK O-Ring: 21 mm Nominal Inside Dia., 30 mm Nominal Outside Dia., 30 mm Actual Outside Dia., 25 PK O-Ring: 38 mm Nominal Inside Dia., 44 mm Nominal Outside Dia., 44 mm Actual Outside Dia., 25 PK O-Ring: 114, 5/8 in Nominal Inside Dia., 13/16 in Nominal Outside Dia., 50 Shore A, Red, 25 PK O-Ring: 120 mm Nominal Inside Dia., 125 mm Nominal Outside Dia., 125 mm Actual Outside Dia., 2 PK O-Ring: 25 mm Nominal Inside Dia., 29 mm Nominal Outside Dia., 29 mm Actual Outside Dia., Std, 50 PK O-Ring: 265 mm Nominal Inside Dia., 275 mm Nominal Outside Dia., 275 mm Actual Outside Dia., Black O-Ring: 148, 2 3/4 in Nominal Inside Dia., 2 15/16 in Nominal Outside Dia., 50 Shore A, Black, 25 PK O-Ring: 206, 1/2 in Nominal Inside Dia., 3/4 in Nominal Outside Dia., 50 Shore A, Red, 25 PK O-Ring: 017, 11/16 in Nominal Inside Dia., 13/16 in Nominal Outside Dia., 70 Shore A, Black, 100 PK O-Ring: 224, 1 3/4 in Nominal Inside Dia., 2 in Nominal Outside Dia., 80 Shore A, Black, Inch, 5 PK ◀◀ ◀ ▶ ▶▶
