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: 907, 1/2 in Nominal Inside Dia., 7/16 in Nominal Outside Dia., 70 Shore A, Red, 50 PK O-Ring: 235, 3 1/8 in Nominal Inside Dia., 3 3/8 in Nominal Outside Dia., 70 Shore A, Red, 25 PK O-Ring: 019, 13/16 in Nominal Inside Dia., 15/16 in Nominal Outside Dia., 55 Shore D, White, 25 PK O-Ring: 102, 1/16 in Nominal Inside Dia., 1/4 in Nominal Outside Dia., 70 Shore A, Red, 50 PK O-Ring: 283, 17 1/2 in Nominal Inside Dia., 17 3/4 in Nominal Outside Dia., 70 Shore A, Black, 5 PK O-Ring: 132, 1 3/4 in Nominal Inside Dia., 1 15/16 in Nominal Outside Dia., 70 Shore A, Black, 10 PK O-Ring: 222, 1 1/2 in Nominal Inside Dia., 1 3/4 in Nominal Outside Dia., 75 Shore A, Black, Inch O-Ring: 008, 3/16 in Nominal Inside Dia., 5/16 in Nominal Outside Dia., 90 Shore A, Black, 25 PK O-Ring: 029, 1 1/2 in Nominal Inside Dia., 1 5/8 in Nominal Outside Dia., 75 Shore A, Black O-Ring: 93 mm Nominal Inside Dia., 98 mm Nominal Outside Dia., 98 mm Actual Outside Dia., 5 PK O-Ring: 007, 5/32 in Nominal Inside Dia., 9/32 in Nominal Outside Dia., 75 Shore A, Black, 50,000 PK O-Ring: 113, 9/16 in Nominal Inside Dia., 3/4 in Nominal Outside Dia., 75 Shore A, Black, X, 25 PK O-Ring: 267, 8 1/4 in Nominal Inside Dia., 8 1/2 in Nominal Outside Dia., 75 Shore A, Blue O-Ring: 116, 3/4 in Nominal Inside Dia., 15/16 in Nominal Outside Dia., 60 Shore A, White, 10 PK O-Ring: 33 mm Nominal Inside Dia., 40 mm Nominal Outside Dia., 40 mm Actual Outside Dia., 75 Shore A O-Ring: 337, 3 in Nominal Inside Dia., 3 3/8 in Nominal Outside Dia., 70 Shore A, Black, Inch, 10 PK O-Ring: 462, 16 1/2 in Nominal Inside Dia., 17 in Nominal Outside Dia., 90 Shore A, Black O-Ring: 5.7 mm Nominal Inside Dia., 9.5 mm Nominal Outside Dia., 9.5 mm Actual Outside Dia., 10 PK O-Ring: 14.1 mm Nominal Inside Dia., 17.3 mm Nominal Outside Dia., 70 Shore A, Black, Metric, 100 PK O-Ring: 212, 7/8 in Nominal Inside Dia., 1 1/8 in Nominal Outside Dia., 60 Shore A, White, 5 PK ◀◀ ◀ ▶ ▶▶