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: 348, 4 3/8 in Nominal Inside Dia., 4 3/4 in Nominal Outside Dia., 90 Shore A, Black, Inch O-Ring: 110, 3/8 in Nominal Inside Dia., 9/16 in Nominal Outside Dia., 70 Shore A, Green, 25 PK O-Ring: 027, 1 5/16 in Nominal Inside Dia., 1 7/16 in Nominal Outside Dia., 60 Shore A, White, 10 PK O-Ring: 226, 2 in Nominal Inside Dia., 2 1/4 in Nominal Outside Dia., 70 Shore A, Black, Inch, 2 PK O-Ring: 3.1 mm Nominal Inside Dia., 6.3 mm Nominal Outside Dia., 6.3 mm Actual Outside Dia., X, 5 PK O-Ring: 35 mm Nominal Inside Dia., 40 mm Nominal Outside Dia., 40 mm Actual Outside Dia., 10 PK Backup Ring: Hytrel, For 232, 0.045 in Thick, Black, 25 PK O-Ring: 18 mm Nominal Inside Dia., 28 mm Nominal Outside Dia., 28 mm Actual Outside Dia., 25 PK O-Ring: 210, 3/4 in Nominal Inside Dia., 1 in Nominal Outside Dia., 1.012 in Actual Outside Dia. O-Ring: 274, 10 in Nominal Inside Dia., 10 1/4 in Nominal Outside Dia., 70 Shore A, Red, 5 PK O-Ring: 343, 3 3/4 in Nominal Inside Dia., 4 1/8 in Nominal Outside Dia., 70 Shore A, Black, 25 PK O-Ring: 212, 7/8 in Nominal Inside Dia., 1 1/8 in Nominal Outside Dia., 70 Shore A, Green, 10 PK O-Ring: 021, 15/16 in Nominal Inside Dia., 1 1/16 in Nominal Outside Dia., 80 Shore A, Black, 10 PK O-Ring: 225 mm Nominal Inside Dia., 233 mm Nominal Outside Dia., 233 mm Actual Outside Dia., Black O-Ring: 11.5 mm Nominal Inside Dia., 14.5 mm Nominal Outside Dia., 70 Shore A, Black, 100 PK O-Ring: 13.8 mm Nominal Inside Dia., 18.6 mm Nominal Outside Dia., 75 Shore A, Black, 25 PK O-Ring: 909, 9/16 in Nominal Outside Dia., 0.9 in Actual Outside Dia., 90 Shore A, Black, 100 PK O-Ring: 218, 1 1/4 in Nominal Inside Dia., 1 1/2 in Nominal Outside Dia., 75 Shore A, Black, X, 5 PK O-Ring: 023, 1 1/16 in Nominal Inside Dia., 1 3/16 in Nominal Outside Dia., 70 Shore A, Black, 50 PK O-Ring: 108, 1/4 in Nominal Inside Dia., 7/16 in Nominal Outside Dia., 80 Shore A, Black, Std, 25 PK ◀◀ ◀ ▶ ▶▶
