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: 50 mm Nominal Inside Dia., 55 mm Nominal Outside Dia., 55 mm Actual Outside Dia., Std, 50 PK O-Ring: 029, 1 1/2 in Nominal Inside Dia., 1 5/8 in Nominal Outside Dia., 80 Shore A, Black, 10 PK O-Ring: 63 mm Nominal Inside Dia., 70 mm Nominal Outside Dia., 70 mm Actual Outside Dia., 25 PK O-Ring: 007, 5/32 in Nominal Inside Dia., 9/32 in Nominal Outside Dia., 75 Shore A, Black, X, 50 PK O-Ring: 358, 5 5/8 in Nominal Inside Dia., 6 in Nominal Outside Dia., 90 Shore A, Black, Inch, 2 PK O-Ring: 6.3 mm Nominal Inside Dia., 11.1 mm Nominal Outside Dia., 11.1 mm Actual Outside Dia., 50 PK Backup Ring, Contoured: Buna N, For 206, 0.05 in Thick, 0.174 in Radius, 100 PK O-Ring: 450, 10 1/2 in Nominal Inside Dia., 11 in Nominal Outside Dia., 90 Shore A, Black O-Ring: 019, 13/16 in Nominal Inside Dia., 15/16 in Nominal Outside Dia., 70 Shore A, Black, 10 PK O-Ring: 005, 3/32 in Nominal Inside Dia., 7/32 in Nominal Outside Dia., 0.241 in Actual Outside Dia. O-Ring: 111, 7/16 in Nominal Inside Dia., 5/8 in Nominal Outside Dia., 50 Shore A, Red, 25 PK O-Ring: 43 mm Nominal Inside Dia., 51 mm Nominal Outside Dia., 51 mm Actual Outside Dia., 25 PK O-Ring: 009, 7/32 in Nominal Inside Dia., 11/32 in Nominal Outside Dia., 75 Shore A, Black, X, 50 PK O-Ring: 15 mm Nominal Inside Dia., 21 mm Nominal Outside Dia., 21 mm Actual Outside Dia., 100 PK O-Ring: 346, 4 1/8 in Nominal Inside Dia., 4 1/2 in Nominal Outside Dia., 80 Shore A, Black O-Ring: 020, 7/8 in Nominal Inside Dia., 1 in Nominal Outside Dia., 70 Shore A, Black, Inch, 100 PK O-Ring: 109, 3/16 in Nominal Inside Dia., 1/2 in Nominal Outside Dia., 0.505 in Actual Outside Dia. O-Ring: 334, 2 5/8 in Nominal Inside Dia., 3 in Nominal Outside Dia., 90 Shore A, Black, 5 PK O-Ring: 321, 1 3/16 in Nominal Inside Dia., 1 9/16 in Nominal Outside Dia., 70 Shore A, Red, 50 PK O-Ring: 14 mm Nominal Inside Dia., 16 mm Nominal Outside Dia., 16 mm Actual Outside Dia., 100 PK ◀◀ ◀ ▶ ▶▶
