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: 023, 1 1/16 in Nominal Inside Dia., 1 3/16 in Nominal Outside Dia., 75 Shore A, Black Backup Ring, Contoured: Buna N, For 148, 0.053 in Thick, 0.129 in Radius, 25 PK O-Ring: 33 mm Nominal Inside Dia., 43 mm Nominal Outside Dia., 43 mm Actual Outside Dia., Std, 25 PK O-Ring: 279, 13 in Nominal Inside Dia., 13 1/4 in Nominal Outside Dia., 90 Shore A, Black, 2 PK O-Ring: 209, 11/16 in Nominal Inside Dia., 15/16 in Nominal Outside Dia., 90 Shore A, Black, 25 PK O-Ring: 218, 1 1/4 in Nominal Inside Dia., 1 1/2 in Nominal Outside Dia., 80 Shore A, Black, 10 PK O-Ring: 10 mm Nominal Inside Dia., 15 mm Nominal Outside Dia., 15 mm Actual Outside Dia., 25 PK O-Ring: 028, 1 3/8 in Nominal Inside Dia., 1 1/2 in Nominal Outside Dia., 70 Shore A, Black, 5 PK O-Ring: 255 mm Nominal Inside Dia., 265 mm Nominal Outside Dia., 265 mm Actual Outside Dia., Black O-Ring: 139, 2 3/16 in Nominal Inside Dia., 2 3/8 in Nominal Outside Dia., 75 Shore A, Blue O-Ring: 131, 1 11/16 in Nominal Inside Dia., 1 7/8 in Nominal Outside Dia., 90 Shore A, Black, 10 PK O-Ring: 14.8 mm Nominal Inside Dia., 19.6 mm Nominal Outside Dia., 70 Shore A, Green, Metric, 25 PK O-Ring: 70 mm Nominal Inside Dia., 80 mm Nominal Outside Dia., 80 mm Actual Outside Dia., 10 PK O-Ring: 52 mm Nominal Inside Dia., 58 mm Nominal Outside Dia., 58 mm Actual Outside Dia., Std, 25 PK O-Ring Assortment: SAE, Silicone and EPDM, 1,168 Pieces, 19 # of Sizes, 70 Shore A Backup Ring, Contoured: Buna N, For 389, 0.076 in Thick, 0.262 in Radius, 2 PK O-Ring: 020, 7/8 in Nominal Inside Dia., 1 in Nominal Outside Dia., 70 Shore A, Black, Inch, 50 PK O-Ring Assortment: SAE, Viton(R), 1,324 Pieces, 164 # of Sizes, 75 Shore A O-Ring: 12 mm Nominal Inside Dia., 17 mm Nominal Outside Dia., 17 mm Actual Outside Dia., Red, 25 PK O-Ring: 217, 1 3/16 in Nominal Inside Dia., 1 7/16 in Nominal Outside Dia., 70 Shore A, Inch, 100 PK ◀◀ ◀ ▶ ▶▶
