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: 65 mm Nominal Inside Dia., 69 mm Nominal Outside Dia., 69 mm Actual Outside Dia., 25 PK O-Ring: 70 mm Nominal Inside Dia., 74 mm Nominal Outside Dia., 74 mm Actual Outside Dia., 5 PK O-Ring: 6 mm Nominal Inside Dia., 8 mm Nominal Outside Dia., 8 mm Actual Outside Dia., Brown, 50 PK O-Ring: 200 mm Nominal Inside Dia., 206 mm Nominal Outside Dia., 206 mm Actual Outside Dia., Black O-Ring: 3.5 mm Nominal Inside Dia., 6.5 mm Nominal Outside Dia., 6.5 mm Actual Outside Dia., Black O-Ring: 343, 3 3/4 in Nominal Inside Dia., 4 1/8 in Nominal Outside Dia., 80 Shore A, Black, 2 PK Backup Ring, Contoured: Buna N, For 460, 0.117 in Thick, 0.344 in Radius, 2 PK O-Ring: 113, 9/16 in Nominal Inside Dia., 3/4 in Nominal Outside Dia., 75 Shore A, Blue, 5 PK O-Ring: 12.3 mm Nominal Inside Dia., 17.6 mm Nominal Outside Dia., 70 Shore A, Green, 50 PK Backup Ring, Contoured: Buna N, For 393, 0.076 in Thick, 0.262 in Radius, 2 PK O-Ring: 13 mm Nominal Inside Dia., 18 mm Nominal Outside Dia., 18 mm Actual Outside Dia., 50 PK O-Ring: 54 mm Nominal Inside Dia., 59 mm Nominal Outside Dia., 59 mm Actual Outside Dia., 10 PK O-Ring: 23 mm Nominal Inside Dia., 27 mm Nominal Outside Dia., 27 mm Actual Outside Dia., Red, 25 PK O-Ring: 144 mm Nominal Inside Dia., 150 mm Nominal Outside Dia., 150 mm Actual Outside Dia., Black O-Ring: 22 mm Nominal Inside Dia., 30 mm Nominal Outside Dia., 30 mm Actual Outside Dia., 75 Shore A O-Ring: 219, 1 5/16 in Nominal Inside Dia., 1 9/16 in Nominal Outside Dia., 70 Shore A, Black, 5 PK O-Ring: 282, 16 in Nominal Inside Dia., 16 1/4 in Nominal Outside Dia., 70 Shore A, Black, 5 PK O-Ring: 010, 1/4 in Nominal Inside Dia., 3/8 in Nominal Outside Dia., 70 Shore A, Black, 100 PK O-Ring: 165 mm Nominal Inside Dia., 171 mm Nominal Outside Dia., 171 mm Actual Outside Dia., 5 PK O-Ring: 020, 7/8 in Nominal Inside Dia., 1 in Nominal Outside Dia., 75 Shore A, Brown, 50 PK ◀◀ ◀ ▶ ▶▶
