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: 10.7 mm Nominal Inside Dia., 16 mm Nominal Outside Dia., 16 mm Actual Outside Dia., 50 PK O-Ring: 5.5 mm Nominal Inside Dia., 8.5 mm Nominal Outside Dia., 8.5 mm Actual Outside Dia., 10 PK O-Ring: 339, 3 1/4 in Nominal Inside Dia., 3 5/8 in Nominal Outside Dia., 70 Shore A, Black, 50 PK O-Ring: 89.6 mm Nominal Inside Dia., 101 mm Nominal Outside Dia., 101 mm Actual Outside Dia., 5 PK O-Ring: 15 mm Nominal Inside Dia., 20 mm Nominal Outside Dia., 20 mm Actual Outside Dia., X, 10 PK O-Ring: 83 mm Nominal Inside Dia., 87 mm Nominal Outside Dia., 87 mm Actual Outside Dia., 25 PK O-Ring: 204, 3/8 in Nominal Inside Dia., 5/8 in Nominal Outside Dia., 60 Shore A, White, 10 PK O-Ring: 246, 4 1/2 in Nominal Inside Dia., 4 3/4 in Nominal Outside Dia., 70 Shore A, Black, 25 PK O-Ring: 111, 7/16 in Nominal Inside Dia., 5/8 in Nominal Outside Dia., 70 Shore A, Green, 25 PK O-Ring: 115, 11/16 in Nominal Inside Dia., 7/8 in Nominal Outside Dia., 70 Shore A, Blue, 5 PK Backup Ring, Contoured: Buna N, For 376, 0.076 in Thick, 0.262 in Radius, 5 PK O-Ring: 144, 2 1/2 in Nominal Inside Dia., 2 11/16 in Nominal Outside Dia., 75 Shore A, Blue O-Ring: 17 mm Nominal Inside Dia., 26 mm Nominal Outside Dia., 26 mm Actual Outside Dia., 25 PK O-Ring: 201, 3/16 in Nominal Inside Dia., 7/16 in Nominal Outside Dia., 70 Shore A, Black, 25 PK O-Ring: 3 mm Nominal Inside Dia., 6 mm Nominal Outside Dia., 6 mm Actual Outside Dia., Black, 50 PK O-Ring: 77 mm Nominal Inside Dia., 85 mm Nominal Outside Dia., 85 mm Actual Outside Dia., 10 PK O-Ring: 124, 1 1/4 in Nominal Inside Dia., 1 7/16 in Nominal Outside Dia., 75 Shore A, Black, Inch O-Ring: 25.5 mm Nominal Inside Dia., 29.5 mm Nominal Outside Dia., 70 Shore A, Black, 50 PK O-Ring: 433, 5 1/2 in Nominal Inside Dia., 6 in Nominal Outside Dia., 6.025 in Actual Outside Dia. O-Ring: 170 mm Nominal Inside Dia., 177 mm Nominal Outside Dia., 177 mm Actual Outside Dia., 2 PK ◀◀ ◀ ▶ ▶▶
