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: 137, 2 1/16 in Nominal Inside Dia., 2 1/4 in Nominal Outside Dia., 80 Shore A, Black, 5 PK O-Ring: 004, 5/64 in Nominal Inside Dia., 13/64 in Nominal Outside Dia., 60 Shore A, White, 25 PK O-Ring: 150, 2 7/8 in Nominal Inside Dia., 3 1/16 in Nominal Outside Dia., 70 Shore A, Black, 10 PK O-Ring: 233, 2 7/8 in Nominal Inside Dia., 3 1/8 in Nominal Outside Dia., 50 Shore A, Red, 5 PK O-Ring: 100 mm Nominal Inside Dia., 103 mm Nominal Outside Dia., 103 mm Actual Outside Dia., 5 PK O-Ring: 94 mm Nominal Inside Dia., 99 mm Nominal Outside Dia., 99 mm Actual Outside Dia., 5 PK O-Ring: 58 mm Nominal Inside Dia., 60 mm Nominal Outside Dia., 60 mm Actual Outside Dia., 10 PK O-Ring: 336, 2 7/8 in Nominal Inside Dia., 3 1/4 in Nominal Outside Dia., 85 Shore A O-Ring: 164.5 mm Nominal Inside Dia., 170.5 mm Nominal Outside Dia., 70 Shore A, Black, 5 PK O-Ring: 259, 6 1/4 in Nominal Inside Dia., 6 1/2 in Nominal Outside Dia., 75 Shore A, Black, 2 PK O-Ring: 103, 3/32 in Nominal Inside Dia., 9/32 in Nominal Outside Dia., 70 Shore A, Black, 50 PK O-Ring: 014, 1/2 in Nominal Inside Dia., 5/8 in Nominal Outside Dia., 70 Shore A, White, 25 PK O-Ring: 354, 5 1/8 in Nominal Inside Dia., 5 1/2 in Nominal Outside Dia., 75 Shore A, Brown, 2 PK O-Ring: 210, 3/4 in Nominal Inside Dia., 1 in Nominal Outside Dia., 50 Shore A, Red, 25 PK O-Ring: 256, 5 3/4 in Nominal Inside Dia., 6 in Nominal Outside Dia., 75 Shore A, Black, Inch, 2 PK O-Ring: 7.2 mm Nominal Inside Dia., 11 mm Nominal Outside Dia., 11 mm Actual Outside Dia., 50 PK Backup Ring, Contoured: Buna N, For 250, 0.05 in Thick, 0.174 in Radius, 10 PK O-Ring: 167, 7 in Nominal Inside Dia., 7 3/16 in Nominal Outside Dia., 70 Shore A, Black, 10 PK Backup Ring, Contoured: Buna N, For 395, 0.076 in Thick, 0.262 in Radius, 2 PK O-Ring: 219, 1 5/16 in Nominal Inside Dia., 1 9/16 in Nominal Outside Dia., 70 Shore A, Black, 25 PK ◀◀ ◀ ▶ ▶▶
