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: 212, 7/8 in Nominal Inside Dia., 1 1/8 in Nominal Outside Dia., 80 Shore A, Black, Std, 5 PK O-Ring: 13.8 mm Nominal Inside Dia., 18.6 mm Nominal Outside Dia., 70 Shore A, Black, Metric, 100 PK O-Ring: 213, 15/16 in Nominal Inside Dia., 1 3/16 in Nominal Outside Dia., 70 Shore A, White, 25 PK O-Ring: 167, 7 in Nominal Inside Dia., 7 3/16 in Nominal Outside Dia., 75 Shore A, Brown, 2 PK O-Ring: 014, 1/2 in Nominal Inside Dia., 5/8 in Nominal Outside Dia., 0.629 in Actual Outside Dia. O-Ring: 206, 1/2 in Nominal Inside Dia., 3/4 in Nominal Outside Dia., 75 Shore A, Blue, 5 PK O-Ring: 123, 1 3/16 in Nominal Inside Dia., 1 3/8 in Nominal Outside Dia., 75 Shore A, Black O-Ring: 116, 3/4 in Nominal Inside Dia., 15/16 in Nominal Outside Dia., 55 Shore D, White, 25 PK O-Ring: 112, 1/2 in Nominal Inside Dia., 11/16 in Nominal Outside Dia., 70 Shore A, Black, 25 PK O-Ring: 222, 1 1/2 in Nominal Inside Dia., 1 3/4 in Nominal Outside Dia., 70 Shore A, Black, 25 PK O-Ring: 907, 7/16 in Nominal Outside Dia., 0.694 in Actual Outside Dia., 90 Shore A, Black, 100 PK O-Ring: 018, 3/4 in Nominal Inside Dia., 7/8 in Nominal Outside Dia., 50 Shore A, Black, 25 PK O-Ring: 230, 2 1/2 in Nominal Inside Dia., 2 3/4 in Nominal Outside Dia., 70 Shore A, Black, 25 PK O-Ring: 17 mm Nominal Inside Dia., 21 mm Nominal Outside Dia., 21 mm Actual Outside Dia., Red, 25 PK O-Ring: 017, 11/16 in Nominal Inside Dia., 13/16 in Nominal Outside Dia., 75 Shore A, Black, 5 PK O-Ring: 212, 7/8 in Nominal Inside Dia., 1 1/8 in Nominal Outside Dia., 70 Shore A, Black, 5 PK O-Ring: 15 mm Nominal Inside Dia., 19 mm Nominal Outside Dia., 19 mm Actual Outside Dia., Red, 50 PK O-Ring: 37 mm Nominal Inside Dia., 39 mm Nominal Outside Dia., 39 mm Actual Outside Dia., 25 PK O-Ring: 159.3 mm Nominal Inside Dia., 170.7 mm Nominal Outside Dia., 70 Shore A, Black, 5 PK O-Ring: 103 mm Nominal Inside Dia., 111 mm Nominal Outside Dia., 111 mm Actual Outside Dia., 2 PK ◀◀ ◀ ▶ ▶▶
