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: 145, 2 9/16 in Nominal Inside Dia., 2 3/4 in Nominal Outside Dia., 70 Shore A, Black, 10 PK O-Ring: 456, 13 1/2 in Nominal Inside Dia., 14 in Nominal Outside Dia., 90 Shore A, Black, Inch O-Ring: 128, 1 1/2 in Nominal Inside Dia., 1 11/16 in Nominal Outside Dia., 70 Shore A, Black, 25 PK O-Ring: 61/64 in Nominal Inside Dia., 1.129 in Actual Outside Dia., 55 Shore D, White, 25 PK O-Ring: 54 mm Nominal Inside Dia., 64 mm Nominal Outside Dia., 64 mm Actual Outside Dia., Std, 10 PK Backup Ring: Hytrel, For 223, 0.045 in Thick, Orange, 50 PK O-Ring: 94.6 mm Nominal Inside Dia., 106 mm Nominal Outside Dia., 106 mm Actual Outside Dia., 5 PK O-Ring: 011, 5/16 in Nominal Inside Dia., 7/16 in Nominal Outside Dia., 70 Shore A, Black, 25 PK O-Ring: 8.1 mm Nominal Inside Dia., 11.3 mm Nominal Outside Dia., 70 Shore A, Black, 100 PK O-Ring: 337, 3 in Nominal Inside Dia., 3 3/8 in Nominal Outside Dia., 70 Shore A, Black, Inch, 5 PK O-Ring: 14.5 mm Nominal Inside Dia., 20.5 mm Nominal Outside Dia., 75 Shore A, Black, 10 PK O-Ring: 13 mm Nominal Inside Dia., 17 mm Nominal Outside Dia., 17 mm Actual Outside Dia., 100 PK O-Ring: 014, 1/2 in Nominal Inside Dia., 5/8 in Nominal Outside Dia., 70 Shore A, Black, 100 PK O-Ring: 107 mm Nominal Inside Dia., 115 mm Nominal Outside Dia., 115 mm Actual Outside Dia., 2 PK O-Ring: 13.6 mm Nominal Inside Dia., 18.4 mm Nominal Outside Dia., 70 Shore A, Black, 50 PK Backup Ring, Contoured: Buna N, For 347, 0.076 in Thick, 0.262 in Radius, 25 PK O-Ring: 5 mm Nominal Inside Dia., 7 mm Nominal Outside Dia., 7 mm Actual Outside Dia., Black, 25 PK O-Ring: 208, 5/8 in Nominal Inside Dia., 7/8 in Nominal Outside Dia., 70 Shore A, Red, Inch, 5 PK O-Ring Assortment: SAE, Viton(R), 1,110 Pieces, 150 # of Sizes, 75 Shore A Backup Ring, Contoured: Buna N, For 464, 0.117 in Thick, 0.344 in Radius, 2 PK ◀◀ ◀ ▶ ▶▶
