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: 6.5 mm Nominal Inside Dia., 9.5 mm Nominal Outside Dia., 9.5 mm Actual Outside Dia., 10 PK O-Ring: 359.5 mm Nominal Inside Dia., 376.3 mm Nominal Outside Dia., 376.3 mm Actual Outside Dia. O-Ring: 012, 3/8 in Nominal Inside Dia., 1/2 in Nominal Outside Dia., 70 Shore A, Black, 100 PK O-Ring: 354, 5 1/8 in Nominal Inside Dia., 5 1/2 in Nominal Outside Dia., 90 Shore A, Black, 2 PK Backup Ring, Contoured: Buna N, For 318, 0.076 in Thick, 0.262 in Radius, 100 PK O-Ring: 029, 1 1/2 in Nominal Inside Dia., 1 5/8 in Nominal Outside Dia., 70 Shore A, Black, 10 PK O-Ring: 260, 6 1/2 in Nominal Inside Dia., 6 3/4 in Nominal Outside Dia., 70 Shore A, Black, 10 PK O-Ring: 222, 1 1/2 in Nominal Inside Dia., 1 3/4 in Nominal Outside Dia., 55 Shore D, White, 10 PK O-Ring: 32 mm Nominal Inside Dia., 44 mm Nominal Outside Dia., 44 mm Actual Outside Dia., 5 PK O-Ring: 001, 1/32 in Nominal Inside Dia., 3/32 in Nominal Outside Dia., 75 Shore A, Brown, 100 PK O-Ring: 56 mm Nominal Inside Dia., 66 mm Nominal Outside Dia., 66 mm Actual Outside Dia., 10 PK O-Ring: 413, 3 in Nominal Inside Dia., 3 1/2 in Nominal Outside Dia., 3.525 in Actual Outside Dia. O-Ring: 012, 3/8 in Nominal Inside Dia., 1/2 in Nominal Outside Dia., 70 Shore A, Black, Std, 100 PK O-Ring: 9.1 mm Nominal Inside Dia., 12.3 mm Nominal Outside Dia., 12.3 mm Actual Outside Dia., 5 PK O-Ring: 153, 3 1/2 in Nominal Inside Dia., 3 11/16 in Nominal Outside Dia., 90 Shore A, Black, 2 PK O-Ring: 20.2 mm Nominal Inside Dia., 26.2 mm Nominal Outside Dia., 70 Shore A, Black, 10 PK O-Ring: 32 mm Nominal Inside Dia., 38 mm Nominal Outside Dia., 38 mm Actual Outside Dia., Red, 5 PK O-Ring: 56 mm Nominal Inside Dia., 64 mm Nominal Outside Dia., 64 mm Actual Outside Dia., 20 PK O-Ring: 916, 1 1/8 in Nominal Inside Dia., 1 7/16 in Nominal Outside Dia., 75 Shore A, Brown, 25 PK O-Ring: 27.7 mm Nominal Inside Dia., 34.7 mm Nominal Outside Dia., 70 Shore A, Black, 25 PK ◀◀ ◀ ▶ ▶▶
