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: 150 mm Nominal Inside Dia., 158 mm Nominal Outside Dia., 158 mm Actual Outside Dia., Black O-Ring: 6 mm Nominal Inside Dia., 10 mm Nominal Outside Dia., 10 mm Actual Outside Dia., Std, 10 PK Backup Ring: Hytrel, For 234, 0.045 in Thick, Orange, 25 PK O-Ring: 466, 18 1/2 in Nominal Inside Dia., 19 in Nominal Outside Dia., 90 Shore A, Black, Inch O-Ring: 58 mm Nominal Inside Dia., 66 mm Nominal Outside Dia., 66 mm Actual Outside Dia., 75 Shore A O-Ring: 3 mm Nominal Inside Dia., 6 mm Nominal Outside Dia., 6 mm Actual Outside Dia., Black, 25 PK O-Ring: 206, 1/2 in Nominal Inside Dia., 3/4 in Nominal Outside Dia., 70 Shore A, Red, Inch, 5 PK O-Ring: 446, 8 1/2 in Nominal Inside Dia., 9 in Nominal Outside Dia., 90 Shore A, Black, Inch, 2 PK O-Ring: 008, 3/16 in Nominal Inside Dia., 5/16 in Nominal Outside Dia., 70 Shore A, Black, 100 PK O-Ring: 013, 7/16 in Nominal Inside Dia., 9/16 in Nominal Outside Dia., 0.566 in Actual Outside Dia. O-Ring: 444, 7 3/4 in Nominal Inside Dia., 8 1/4 in Nominal Outside Dia., 70 Shore A, Black, 2 PK O-Ring: 243, 4 1/8 in Nominal Inside Dia., 4 3/8 in Nominal Outside Dia., 90 Shore A, Black, 2 PK Backup Ring, Contoured: Buna N, For 252, 0.05 in Thick, 0.174 in Radius, 10 PK O-Ring: 110, 3/8 in Nominal Inside Dia., 9/16 in Nominal Outside Dia., 70 Shore A, Blue, Inch, 10 PK O-Ring: 165 mm Nominal Inside Dia., 173 mm Nominal Outside Dia., 173 mm Actual Outside Dia., 2 PK O-Ring: 111, 7/16 in Nominal Inside Dia., 5/8 in Nominal Outside Dia., 70 Shore A, Black, 25 PK O-Ring: 020, 7/8 in Nominal Inside Dia., 1 in Nominal Outside Dia., 70 Shore A, White, 25 PK O-Ring: 175, 9 in Nominal Inside Dia., 9 3/16 in Nominal Outside Dia., 90 Shore A, Black, 2 PK O-Ring: 75 mm Nominal Inside Dia., 78 mm Nominal Outside Dia., 78 mm Actual Outside Dia., 5 PK O-Ring: 7 mm Nominal Inside Dia., 11 mm Nominal Outside Dia., 11 mm Actual Outside Dia., Red, 50 PK ◀◀ ◀ ▶ ▶▶
