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: 9 mm Nominal Inside Dia., 11 mm Nominal Outside Dia., 11 mm Actual Outside Dia., EPDM, 50 PK O-Ring: 9/64 in Nominal Inside Dia., 0.246 in Actual Outside Dia., 55 Shore D, White, 50 PK O-Ring: 19.8 mm Nominal Inside Dia., 24.6 mm Nominal Outside Dia., 70 Shore A, Black, Metric, 50 PK O-Ring: 375, 9 1/2 in Nominal Inside Dia., 9 7/8 in Nominal Outside Dia., 70 Shore A, Red, 5 PK O-Ring: 23 mm Nominal Inside Dia., 31 mm Nominal Outside Dia., 31 mm Actual Outside Dia., 75 Shore A O-Ring: 021, 15/16 in Nominal Inside Dia., 1 1/16 in Nominal Outside Dia., 60 Shore A, White, 10 PK O-Ring: 116, 3/4 in Nominal Inside Dia., 15/16 in Nominal Outside Dia., 50 Shore A, Black, 25 PK O-Ring: 128, 1 1/2 in Nominal Inside Dia., 1 11/16 in Nominal Outside Dia., 70 Shore A, Black, 10 PK O-Ring: 230, 2 1/2 in Nominal Inside Dia., 2 3/4 in Nominal Outside Dia., 70 Shore A, Black, 5 PK O-Ring: 250 mm Nominal Inside Dia., 256 mm Nominal Outside Dia., 256 mm Actual Outside Dia., Black O-Ring: 020, 7/8 in Nominal Inside Dia., 1 in Nominal Outside Dia., 60 Shore A, White, 10 PK O-Ring: 4.8 mm Nominal Inside Dia., 8.6 mm Nominal Outside Dia., 8.6 mm Actual Outside Dia., 100 PK O-Ring: 010, 1/4 in Nominal Inside Dia., 3/8 in Nominal Outside Dia., 70 Shore A, Blue, 5 PK O-Ring: 210, 3/4 in Nominal Inside Dia., 1 in Nominal Outside Dia., 70 Shore A, Red, Inch, 2 PK O-Ring: 321, 1 3/16 in Nominal Inside Dia., 1 9/16 in Nominal Outside Dia., 70 Shore A, Black, 50 PK O-Ring: 010, 1/4 in Nominal Inside Dia., 3/8 in Nominal Outside Dia., 0.379 in Actual Outside Dia. O-Ring: 64.4 mm Nominal Inside Dia., 70.6 mm Nominal Outside Dia., 70 Shore A, Black, 25 PK O-Ring: 68 mm Nominal Inside Dia., 74 mm Nominal Outside Dia., 74 mm Actual Outside Dia., 10 PK O-Ring: 013, 7/16 in Nominal Inside Dia., 9/16 in Nominal Outside Dia., 50 Shore A, Red, 25 PK O-Ring: 243, 4 1/8 in Nominal Inside Dia., 4 3/8 in Nominal Outside Dia., 75 Shore A, Black ◀◀ ◀ ▶ ▶▶
