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: 108 mm Nominal Inside Dia., 118 mm Nominal Outside Dia., 118 mm Actual Outside Dia., 2 PK O-Ring: 018, 3/4 in Nominal Inside Dia., 7/8 in Nominal Outside Dia., 70 Shore A, Black, Inch, 25 PK O-Ring: 48 mm Nominal Inside Dia., 53 mm Nominal Outside Dia., 53 mm Actual Outside Dia., Std, 5 PK O-Ring: 29 mm Nominal Inside Dia., 34 mm Nominal Outside Dia., 34 mm Actual Outside Dia., 10 PK O-Ring: 380, 11 1/2 in Nominal Inside Dia., 11 7/8 in Nominal Outside Dia., 90 Shore A, Black, Inch O-Ring: 213, 15/16 in Nominal Inside Dia., 1 3/16 in Nominal Outside Dia., 90 Shore A, Black, 25 PK O-Ring: 371, 8 1/2 in Nominal Inside Dia., 8 7/8 in Nominal Outside Dia., 70 Shore A, Red, 5 PK O-Ring: 231, 2 5/8 in Nominal Inside Dia., 2 7/8 in Nominal Outside Dia., 70 Shore A, Black, 25 PK O-Ring: 5 mm Nominal Inside Dia., 8 mm Nominal Outside Dia., 8 mm Actual Outside Dia., Brown, 50 PK O-Ring: 235, 3 1/8 in Nominal Inside Dia., 3 3/8 in Nominal Outside Dia., 75 Shore A, Blue O-Ring: 10 mm Nominal Inside Dia., 16 mm Nominal Outside Dia., 16 mm Actual Outside Dia., 100 PK O-Ring: 177, 9 1/2 in Nominal Inside Dia., 9 11/16 in Nominal Outside Dia., 90 Shore A, Black, 2 PK O-Ring: 268, 8 1/2 in Nominal Inside Dia., 8 3/4 in Nominal Outside Dia., 90 Shore A, Black, 2 PK O-Ring: 115, 9/16 in Nominal Inside Dia., 7/8 in Nominal Outside Dia., 70 Shore A, Green, 10 PK O-Ring: 7 mm Nominal Inside Dia., 10 mm Nominal Outside Dia., 10 mm Actual Outside Dia., Std, 50 PK O-Ring: 251, 5 1/8 in Nominal Inside Dia., 5 3/8 in Nominal Outside Dia., 70 Shore A, Red, 10 PK O-Ring: 432, 5 3/8 in Nominal Inside Dia., 5 7/8 in Nominal Outside Dia., 90 Shore A, Black, 2 PK O-Ring: 28 mm Nominal Inside Dia., 30.4 mm Nominal Outside Dia., 30.4 mm Actual Outside Dia., 50 PK O-Ring: 912, 3/4 in Nominal Outside Dia., 1.156 in Actual Outside Dia., 90 Shore A, Black, 25 PK O-Ring: 010, 1/4 in Nominal Inside Dia., 3/8 in Nominal Outside Dia., 70 Shore A, Red, 10 PK ◀◀ ◀ ▶ ▶▶
