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: 26 mm Nominal Inside Dia., 30 mm Nominal Outside Dia., 30 mm Actual Outside Dia., 10 PK O-Ring: 225, 1 7/8 in Nominal Inside Dia., 2 1/8 in Nominal Outside Dia., 55 Shore D, White, 5 PK O-Ring: 43 mm Nominal Inside Dia., 50 mm Nominal Outside Dia., 50 mm Actual Outside Dia., 75 Shore A O-Ring: 126, 1 3/8 in Nominal Inside Dia., 1 9/16 in Nominal Outside Dia., 70 Shore A, Black, 10 PK O-Ring: 224, 1 3/4 in Nominal Inside Dia., 2 in Nominal Outside Dia., 70 Shore A, Black, Inch, 5 PK O-Ring: 32 mm Nominal Inside Dia., 37 mm Nominal Outside Dia., 37 mm Actual Outside Dia., 10 PK O-Ring: 24 mm Nominal Inside Dia., 30 mm Nominal Outside Dia., 30 mm Actual Outside Dia., Std, 50 PK O-Ring: 6 mm Nominal Inside Dia., 11 mm Nominal Outside Dia., 11 mm Actual Outside Dia., 50 PK O-Ring: 7 mm Nominal Inside Dia., 11 mm Nominal Outside Dia., 11 mm Actual Outside Dia., 50 PK O-Ring: 20 mm Nominal Inside Dia., 26 mm Nominal Outside Dia., 26 mm Actual Outside Dia., Red, 25 PK Backup Ring: Hytrel, For 328, 0.065 in Thick, Orange, 25 PK O-Ring: 256, 5 3/4 in Nominal Inside Dia., 6 in Nominal Outside Dia., 80 Shore A, Black, 2 PK Backup Ring, Contoured: Buna N, For 394, 0.076 in Thick, 0.262 in Radius, 2 PK O-Ring: 37 mm Nominal Inside Dia., 42 mm Nominal Outside Dia., 42 mm Actual Outside Dia., 25 PK O-Ring: 006, 1/8 in Nominal Inside Dia., 1/4 in Nominal Outside Dia., 80 Shore A, Black, Inch, 25 PK O-Ring: 241, 3 7/8 in Nominal Inside Dia., 4 1/8 in Nominal Outside Dia., 90 Shore A, Black, 5 PK O-Ring: 36 mm Nominal Inside Dia., 42 mm Nominal Outside Dia., 42 mm Actual Outside Dia., 25 PK O-Ring: 012, 3/8 in Nominal Inside Dia., 1/2 in Nominal Outside Dia., 75 Shore A, Blue, 10 PK O-Ring: 17 mm Nominal Inside Dia., 21 mm Nominal Outside Dia., 21 mm Actual Outside Dia., 10 PK O-Ring: 106, 3/16 in Nominal Inside Dia., 3/8 in Nominal Outside Dia., 70 Shore A, Black, 100 PK ◀◀ ◀ ▶ ▶▶
