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: 119, 15/16 in Nominal Inside Dia., 1 1/8 in Nominal Outside Dia., 85 Shore A O-Ring: 12.3 mm Nominal Inside Dia., 7.1 mm Nominal Outside Dia., 7.1 mm Actual Outside Dia., 100 PK O-Ring: 240 mm Nominal Inside Dia., 250 mm Nominal Outside Dia., 250 mm Actual Outside Dia., Black O-Ring: 50 mm Nominal Inside Dia., 54 mm Nominal Outside Dia., 54 mm Actual Outside Dia., Std, 5 PK O-Ring: 49.6 mm Nominal Inside Dia., 61 mm Nominal Outside Dia., 61 mm Actual Outside Dia., 10 PK O-Ring: 4 mm Nominal Inside Dia., 8 mm Nominal Outside Dia., 8 mm Actual Outside Dia., Black, 50 PK O-Ring: 59.6 mm Nominal Inside Dia., 71 mm Nominal Outside Dia., 71 mm Actual Outside Dia., 5 PK O-Ring: 65 mm Nominal Inside Dia., 67 mm Nominal Outside Dia., 67 mm Actual Outside Dia., 5 PK O-Ring: 442, 7 1/4 in Nominal Inside Dia., 7 3/4 in Nominal Outside Dia., 90 Shore A, Black, 2 PK Backup Ring, Contoured: Buna N, For 353, 0.076 in Thick, 0.262 in Radius, 10 PK O-Ring: 15/64 in Nominal Inside Dia., 0.34 in Actual Outside Dia., 55 Shore D, White, 50 PK O-Ring: 20 mm Nominal Inside Dia., 25 mm Nominal Outside Dia., 25 mm Actual Outside Dia., Std, 10 PK O-Ring: 65 mm Nominal Inside Dia., 75 mm Nominal Outside Dia., 75 mm Actual Outside Dia., 75 Shore A O-Ring: 36 mm Nominal Inside Dia., 39.56 mm Nominal Outside Dia., 70 Shore A, Black, 10 PK O-Ring: 235, 3 1/8 in Nominal Inside Dia., 3 3/8 in Nominal Outside Dia., 75 Shore A, 1,980 PK O-Ring: 218, 1 1/4 in Nominal Inside Dia., 1 1/2 in Nominal Outside Dia., 70 Shore A, Black, 5 PK O-Ring: 027, 1 5/16 in Nominal Inside Dia., 1 7/16 in Nominal Outside Dia., 70 Shore A, Black, 50 PK O-Ring: 45 mm Nominal Inside Dia., 52 mm Nominal Outside Dia., 52 mm Actual Outside Dia., 10 PK O-Ring: 79 mm Nominal Inside Dia., 82.56 mm Nominal Outside Dia., 82.56 mm Actual Outside Dia., 5 PK O-Ring: 12 mm Nominal Inside Dia., 17 mm Nominal Outside Dia., 17 mm Actual Outside Dia., 25 PK ◀◀ ◀ ▶ ▶▶
