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: 031, 1 3/4 in Nominal Inside Dia., 1 7/8 in Nominal Outside Dia., 70 Shore A, Black, 10 PK O-Ring: 395, 26 in Nominal Inside Dia., 26 3/8 in Nominal Outside Dia., 26.36 in Actual Outside Dia. O-Ring: 10.1 mm Nominal Inside Dia., 13.3 mm Nominal Outside Dia., 70 Shore A, Black, Metric, 100 PK O-Ring: 54 mm Nominal Inside Dia., 57 mm Nominal Outside Dia., 57 mm Actual Outside Dia., 5 PK O-Ring: 117, 13/16 in Nominal Inside Dia., 1 in Nominal Outside Dia., 50 Shore A, Black, 25 PK O-Ring: 352, 4 7/8 in Nominal Inside Dia., 5 1/4 in Nominal Outside Dia., 90 Shore A, Black O-Ring: 233, 2 7/8 in Nominal Inside Dia., 3 1/8 in Nominal Outside Dia., 70 Shore A, Black, 25 PK O-Ring: 6 mm Nominal Inside Dia., 8 mm Nominal Outside Dia., 8 mm Actual Outside Dia., Black, 100 PK O-Ring: 13 mm Nominal Inside Dia., 17 mm Nominal Outside Dia., 17 mm Actual Outside Dia., 50 PK O-Ring: 21/64 in Nominal Inside Dia., 0.433 in Actual Outside Dia., 55 Shore D, White, 50 PK O-Ring: 28.5 mm Nominal Inside Dia., 32.5 mm Nominal Outside Dia., 75 Shore A, Black, 10 PK O-Ring: 65 mm Nominal Inside Dia., 72 mm Nominal Outside Dia., 72 mm Actual Outside Dia., 25 PK O-Ring: 259, 6 1/4 in Nominal Inside Dia., 6 1/2 in Nominal Outside Dia., 75 Shore A, Brown, 2 PK O-Ring: 210 mm Nominal Inside Dia., 218 mm Nominal Outside Dia., 218 mm Actual Outside Dia., 5 PK O-Ring: 114, 5/8 in Nominal Inside Dia., 13/16 in Nominal Outside Dia., 70 Shore A, Red, 5 PK Backup Ring, Contoured: Buna N, For 040, 0.049 in Thick, 0.087 in Radius, 50 PK O-Ring: 212, 7/8 in Nominal Inside Dia., 1 1/8 in Nominal Outside Dia., 70 Shore A, White, 25 PK O-Ring: 6 mm Nominal Inside Dia., 8 mm Nominal Outside Dia., 8 mm Actual Outside Dia., Red, 50 PK O-Ring: 030, 1 5/8 in Nominal Inside Dia., 1 3/4 in Nominal Outside Dia., 55 Shore D, White, 10 PK O-Ring: 327, 1 3/4 in Nominal Inside Dia., 2 1/8 in Nominal Outside Dia., 90 Shore A ◀◀ ◀ ▶ ▶▶
