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: 104 mm Nominal Inside Dia., 116 mm Nominal Outside Dia., 116 mm Actual Outside Dia., 2 PK O-Ring: 205 mm Nominal Inside Dia., 215 mm Nominal Outside Dia., 215 mm Actual Outside Dia., Black O-Ring: 128, 1 1/2 in Nominal Inside Dia., 1 11/16 in Nominal Outside Dia., 75 Shore A, Black, Inch O-Ring: 213, 15/16 in Nominal Inside Dia., 1 3/16 in Nominal Outside Dia., 75 Shore A, Black, Inch O-Ring: 12.4 mm Nominal Inside Dia., 15.9 mm Nominal Outside Dia., 70 Shore A, Green, 50 PK O-Ring: 4 mm Nominal Inside Dia., 10 mm Nominal Outside Dia., 10 mm Actual Outside Dia., Std, 50 PK O-Ring: 272, 9 1/2 in Nominal Inside Dia., 9 3/4 in Nominal Outside Dia., 90 Shore A, Black, 2 PK O-Ring: 019, 13/16 in Nominal Inside Dia., 15/16 in Nominal Outside Dia., 70 Shore A, 12,500 PK O-Ring Assortment: SAE, Buna N, 192 Pieces, 19 # of Sizes, 70 Shore A O-Ring: 50 mm Nominal Inside Dia., 60 mm Nominal Outside Dia., 60 mm Actual Outside Dia., 10 PK O-Ring: 158, 4 3/4 in Nominal Inside Dia., 4 15/16 in Nominal Outside Dia., 70 Shore A, Red, 10 PK Backup Ring, Contoured: Buna N, For 333, 0.076 in Thick, 0.262 in Radius, 50 PK O-Ring: 11 mm Nominal Inside Dia., 16 mm Nominal Outside Dia., 16 mm Actual Outside Dia., Red, 25 PK O-Ring: 44 mm Nominal Inside Dia., 51 mm Nominal Outside Dia., 51 mm Actual Outside Dia., 25 PK O-Ring: 38 mm Nominal Inside Dia., 40 mm Nominal Outside Dia., 40 mm Actual Outside Dia., 25 PK O-Ring: 232, 2 3/4 in Nominal Inside Dia., 3 in Nominal Outside Dia., 90 Shore A, Black, 10 PK O-Ring: 17 mm Nominal Inside Dia., 21 mm Nominal Outside Dia., 21 mm Actual Outside Dia., Std, 50 PK O-Ring: 56 mm Nominal Inside Dia., 62 mm Nominal Outside Dia., 62 mm Actual Outside Dia., 25 PK O-Ring: 213, 15/16 in Nominal Inside Dia., 1 3/16 in Nominal Outside Dia., 70 Shore A, Black, 10 PK O-Ring: 214, 1 in Nominal Inside Dia., 1 1/4 in Nominal Outside Dia., 70 Shore A, Black, Inch, 10 PK ◀◀ ◀ ▶ ▶▶
