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: 109, 5/16 in Nominal Inside Dia., 1/2 in Nominal Outside Dia., 70 Shore A, Black, 25 PK O-Ring: 102 mm Nominal Inside Dia., 108 mm Nominal Outside Dia., 108 mm Actual Outside Dia., 2 PK O-Ring: 309, 7/16 in Nominal Inside Dia., 13/16 in Nominal Outside Dia., 90 Shore A, Black, 10 PK O-Ring: 116, 3/4 in Nominal Inside Dia., 15/16 in Nominal Outside Dia., 0.943 in Actual Outside Dia. O-Ring: 273, 9 3/4 in Nominal Inside Dia., 10 in Nominal Outside Dia., 70 Shore A, Red, 5 PK O-Ring: 011, 5/16 in Nominal Inside Dia., 7/16 in Nominal Outside Dia., 75 Shore A, Brown, 100 PK O-Ring: 330, 2 1/8 in Nominal Inside Dia., 2 1/2 in Nominal Outside Dia., 90 Shore A O-Ring: 10.5 mm Nominal Inside Dia., 13.5 mm Nominal Outside Dia., 70 Shore A, Black, 25 PK Backup Ring, Contoured: Buna N, For 126, 0.053 in Thick, 0.129 in Radius, 100 PK O-Ring: 60 mm Nominal Inside Dia., 72 mm Nominal Outside Dia., 72 mm Actual Outside Dia., 75 Shore A O-Ring: 222, 1 1/2 in Nominal Inside Dia., 1 3/4 in Nominal Outside Dia., 75 Shore A, Brown, 10 PK O-Ring: 13.1 mm Nominal Inside Dia., 16.3 mm Nominal Outside Dia., 75 Shore A, Black, 25 PK O-Ring: 110 mm Nominal Inside Dia., 116 mm Nominal Outside Dia., 116 mm Actual Outside Dia., Black O-Ring: 103 mm Nominal Inside Dia., 107 mm Nominal Outside Dia., 107 mm Actual Outside Dia., 5 PK O-Ring: 52 mm Nominal Inside Dia., 58 mm Nominal Outside Dia., 58 mm Actual Outside Dia., 5 PK O-Ring: 152, 3 1/4 in Nominal Inside Dia., 3 7/16 in Nominal Outside Dia., 50 Shore A, Black, 25 PK O-Ring: 115, 11/16 in Nominal Inside Dia., 7/8 in Nominal Outside Dia., 75 Shore A, Black, X, 10 PK O-Ring: 48 mm Nominal Inside Dia., 51 mm Nominal Outside Dia., 51 mm Actual Outside Dia., 5 PK O-Ring: 26 mm Nominal Inside Dia., 28 mm Nominal Outside Dia., 28 mm Actual Outside Dia., Std, 10 PK O-Ring: 262, 7 in Nominal Inside Dia., 7 1/4 in Nominal Outside Dia., 75 Shore A, Brown, 2 PK ◀◀ ◀ ▶ ▶▶
