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: 110 mm Nominal Inside Dia., 117 mm Nominal Outside Dia., 117 mm Actual Outside Dia., 2 PK O-Ring: 48 mm Nominal Inside Dia., 53 mm Nominal Outside Dia., 53 mm Actual Outside Dia., 10 PK O-Ring: 110, 3/8 in Nominal Inside Dia., 9/16 in Nominal Outside Dia., 75 Shore A, Black, X, 25 PK O-Ring: 204, 3/8 in Nominal Inside Dia., 5/8 in Nominal Outside Dia., 70 Shore A, Red, Inch, 5 PK O-Ring: 215, 1 1/16 in Nominal Inside Dia., 1 5/16 in Nominal Outside Dia., 80 Shore A, Black, 10 PK O-Ring: 006, 1/8 in Nominal Inside Dia., 1/4 in Nominal Outside Dia., 0.254 in Actual Outside Dia. O-Ring: 012, 3/8 in Nominal Inside Dia., 1/2 in Nominal Outside Dia., 75 Shore A, Black, 5 PK O-Ring: 52 mm Nominal Inside Dia., 57 mm Nominal Outside Dia., 57 mm Actual Outside Dia., Std, 10 PK O-Ring: 111, 7/16 in Nominal Inside Dia., 5/8 in Nominal Outside Dia., 70 Shore A, Black, 10 PK O-Ring: 90 mm Nominal Inside Dia., 100 mm Nominal Outside Dia., 100 mm Actual Outside Dia., 2 PK O-Ring: 7 mm Nominal Inside Dia., 11 mm Nominal Outside Dia., 11 mm Actual Outside Dia., Std, 25 PK O-Ring: 025, 1 3/16 in Nominal Inside Dia., 1 5/16 in Nominal Outside Dia., 75 Shore A, Black, Inch Backup Ring, Contoured: Buna N, For 457, 0.117 in Thick, 0.344 in Radius, 5 PK O-Ring: 1.5 mm Nominal Inside Dia., 3.5 mm Nominal Outside Dia., 3.5 mm Actual Outside Dia., 50 PK O-Ring: 65 mm Nominal Inside Dia., 75 mm Nominal Outside Dia., 75 mm Actual Outside Dia., 5 PK O-Ring: 469, 20 in Nominal Inside Dia., 20 1/2 in Nominal Outside Dia., 70 Shore A, Black, Inch O-Ring: 255, 5 5/8 in Nominal Inside Dia., 5 7/8 in Nominal Outside Dia., 70 Shore A, Red, 10 PK O-Ring: 901, 3/16 in Nominal Inside Dia., 0.297 in Actual Outside Dia., 70 Shore A, Black, 100 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: 2 1/64 in Nominal Inside Dia., 9/32 in Nominal Outside Dia., 55 Shore D, White, 10 PK ◀◀ ◀ ▶ ▶▶
