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: 10 mm Nominal Inside Dia., 18 mm Nominal Outside Dia., 18 mm Actual Outside Dia., 100 PK O-Ring: 006, 1/8 in Nominal Inside Dia., 1/4 in Nominal Outside Dia., 0.254 in Actual Outside Dia. O-Ring: 70 mm Nominal Inside Dia., 75 mm Nominal Outside Dia., 75 mm Actual Outside Dia., 2 PK O-Ring: 4.1 mm Nominal Inside Dia., 7.3 mm Nominal Outside Dia., 7.3 mm Actual Outside Dia., 100 PK O-Ring: 282, 16 in Nominal Inside Dia., 16 1/4 in Nominal Outside Dia., 90 Shore A, Black, 2 PK O-Ring: 119, 15/16 in Nominal Inside Dia., 1 1/8 in Nominal Outside Dia., 70 Shore A, Black, 100 PK O-Ring: 52 mm Nominal Inside Dia., 55 mm Nominal Outside Dia., 55 mm Actual Outside Dia., 5 PK O-Ring: 125, 1 5/16 in Nominal Inside Dia., 1 1/2 in Nominal Outside Dia., 70 Shore A, Black, 25 PK Backup Ring, Contoured: Buna N, For 163, 0.053 in Thick, 0.129 in Radius, 10 PK O-Ring: 234, 3 in Nominal Inside Dia., 3 1/4 in Nominal Outside Dia., 70 Shore A, Red, 25 PK O-Ring: 018, 3/4 in Nominal Inside Dia., 7/8 in Nominal Outside Dia., 70 Shore A, Black, Inch, 50 PK O-Ring: 4.1 mm Nominal Inside Dia., 7.3 mm Nominal Outside Dia., 7.3 mm Actual Outside Dia., 25 PK O-Ring: 54.6 mm Nominal Inside Dia., 66 mm Nominal Outside Dia., 66 mm Actual Outside Dia., 5 PK O-Ring: 29 mm Nominal Inside Dia., 33 mm Nominal Outside Dia., 33 mm Actual Outside Dia., 50 PK O-Ring: 249, 4 7/8 in Nominal Inside Dia., 5 1/8 in Nominal Outside Dia., 70 Shore A, Black, 10 PK O-Ring: 004, 5/64 in Nominal Inside Dia., 13/64 in Nominal Outside Dia., 0.21 in Actual Outside Dia. O-Ring: 32 mm Nominal Inside Dia., 38 mm Nominal Outside Dia., 38 mm Actual Outside Dia., 10 PK O-Ring: 27.8 mm Nominal Inside Dia., 35 mm Nominal Outside Dia., 35 mm Actual Outside Dia., 25 PK O-Ring: 012, 3/8 in Nominal Inside Dia., 1/2 in Nominal Outside Dia., 70 Shore A, Red, 10,000 PK O-Ring: 336, 2 7/8 in Nominal Inside Dia., 3 1/4 in Nominal Outside Dia., 70 Shore A, Black, 5 PK ◀◀ ◀ ▶ ▶▶
