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: 14.8 mm Nominal Inside Dia., 19.6 mm Nominal Outside Dia., 70 Shore A, Black, 100 PK O-Ring: 446, 8 1/2 in Nominal Inside Dia., 9 in Nominal Outside Dia., 70 Shore A, Black, Inch, 2 PK O-Ring: 20 mm Nominal Inside Dia., 26 mm Nominal Outside Dia., 26 mm Actual Outside Dia., 10 PK O-Ring: 345, 4 in Nominal Inside Dia., 4 3/8 in Nominal Outside Dia., 80 Shore A, Black, 2 PK O-Ring: 56 mm Nominal Inside Dia., 65 mm Nominal Outside Dia., 65 mm Actual Outside Dia., 2 PK O-Ring: 39.7 mm Nominal Inside Dia., 46.75 mm Nominal Outside Dia., 70 Shore A, Black, 25 PK O-Ring: 5 mm Nominal Inside Dia., 7 mm Nominal Outside Dia., 7 mm Actual Outside Dia., Brown, 50 PK O-Ring: 441, 7 in Nominal Inside Dia., 7 1/2 in Nominal Outside Dia., 7.525 in Actual Outside Dia. O-Ring: 11/64 in Nominal Inside Dia., 0.277 in Actual Outside Dia., 55 Shore D, White, 50 PK O-Ring: 364, 6 3/4 in Nominal Inside Dia., 7 1/8 in Nominal Outside Dia., 70 Shore A, Black, 5 PK O-Ring: 121, 1 1/16 in Nominal Inside Dia., 1 1/4 in Nominal Outside Dia., 50 Shore A, Black, 25 PK O-Ring: 329, 2 in Nominal Inside Dia., 2 3/8 in Nominal Outside Dia., 70 Shore A, Black, 25 PK O-Ring: 8 mm Nominal Inside Dia., 18 mm Nominal Outside Dia., 18 mm Actual Outside Dia., 25 PK O-Ring: 15 mm Nominal Inside Dia., 21 mm Nominal Outside Dia., 21 mm Actual Outside Dia., Std, 10 PK O-Ring: 152, 3 1/4 in Nominal Inside Dia., 3 7/16 in Nominal Outside Dia., 70 Shore A, Black, 10 PK O-Ring: 4 mm Nominal Inside Dia., 6 mm Nominal Outside Dia., 6 mm Actual Outside Dia., Black, 50 PK O-Ring: 219, 1 5/16 in Nominal Inside Dia., 1 9/16 in Nominal Outside Dia., 70 Shore A, Inch, 100 PK O-Ring: 329, 2 in Nominal Inside Dia., 2 3/8 in Nominal Outside Dia., 75 Shore A, Brown, 5 PK O-Ring: 16 mm Nominal Inside Dia., 23 mm Nominal Outside Dia., 23 mm Actual Outside Dia., 100 PK Backup Ring, Contoured: Buna N, For 233, 0.05 in Thick, 0.174 in Radius, 25 PK ◀◀ ◀ ▶ ▶▶
