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: 20 mm Nominal Inside Dia., 26 mm Nominal Outside Dia., 26 mm Actual Outside Dia., 25 PK O-Ring: 25 mm Nominal Inside Dia., 28 mm Nominal Outside Dia., 28 mm Actual Outside Dia., Red, 25 PK O-Ring: 120 mm Nominal Inside Dia., 132 mm Nominal Outside Dia., 132 mm Actual Outside Dia., 2 PK O-Ring: 6 mm Nominal Inside Dia., 8.4 mm Nominal Outside Dia., 8.4 mm Actual Outside Dia., 50 PK O-Ring: 018, 3/4 in Nominal Inside Dia., 7/8 in Nominal Outside Dia., 0.879 in Actual Outside Dia. O-Ring Assortment: SAE, Highly Saturated Nitrile (HNBR), 200 Pieces, 12 # of Sizes O-Ring: 252, 5 1/4 in Nominal Inside Dia., 5 1/2 in Nominal Outside Dia., 90 Shore A, Black, 5 PK O-Ring: 18 mm Nominal Inside Dia., 25 mm Nominal Outside Dia., 25 mm Actual Outside Dia., 100 PK O-Ring: 56 mm Nominal Inside Dia., 61 mm Nominal Outside Dia., 61 mm Actual Outside Dia., 2 PK O-Ring: 31.5 mm Nominal Inside Dia., 37.5 mm Nominal Outside Dia., 70 Shore A, Black, 50 PK O-Ring: 223, 1 5/8 in Nominal Inside Dia., 1 7/8 in Nominal Outside Dia., 70 Shore A, Black, 25 PK O-Ring: 109, 3/16 in Nominal Inside Dia., 1/2 in Nominal Outside Dia., 80 Shore A, Black, 25 PK O-Ring: 210 mm Nominal Inside Dia., 216 mm Nominal Outside Dia., 216 mm Actual Outside Dia., 2 PK O-Ring: 343, 3 3/4 in Nominal Inside Dia., 4 1/8 in Nominal Outside Dia., 90 Shore A, Black, 2 PK O-Ring: 006, 1/8 in Nominal Inside Dia., 1/4 in Nominal Outside Dia., 55 Shore D, White, 50 PK O-Ring: 147, 2 11/16 in Nominal Inside Dia., 2 7/8 in Nominal Outside Dia., 90 Shore A, Black, 10 PK O-Ring: 008, 3/16 in Nominal Inside Dia., 5/16 in Nominal Outside Dia., 0.316 in Actual Outside Dia. O-Ring: 018, 3/4 in Nominal Inside Dia., 7/8 in Nominal Outside Dia., 70 Shore A, Red, 50 PK O-Ring: 31 mm Nominal Inside Dia., 37 mm Nominal Outside Dia., 37 mm Actual Outside Dia., 10 PK O-Ring: 114, 5/8 in Nominal Inside Dia., 13/16 in Nominal Outside Dia., 50 Shore A, Black, 25 PK ◀◀ ◀ ▶ ▶▶
