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: 333, 2 1/2 in Nominal Inside Dia., 2 7/8 in Nominal Outside Dia., 70 Shore A, Red, 50 PK O-Ring: 106, 3/16 in Nominal Inside Dia., 3/8 in Nominal Outside Dia., 70 Shore A, Red, 50 PK O-Ring: 12 mm Nominal Inside Dia., 16 mm Nominal Outside Dia., 16 mm Actual Outside Dia., Std, 25 PK O-Ring: 107, 7/32 in Nominal Inside Dia., 13/32 in Nominal Outside Dia., 75 Shore A, Brown, 50 PK O-Ring: 79 mm Nominal Inside Dia., 87 mm Nominal Outside Dia., 87 mm Actual Outside Dia., 10 PK O-Ring: 32 mm Nominal Inside Dia., 35 mm Nominal Outside Dia., 35 mm Actual Outside Dia., 100 PK O-Ring: 7 mm Nominal Inside Dia., 9 mm Nominal Outside Dia., 9 mm Actual Outside Dia., Black, 50 PK O-Ring: 313, 11/16 in Nominal Inside Dia., 1 1/16 in Nominal Outside Dia., 90 Shore A, Black, 10 PK O-Ring: 234, 3 in Nominal Inside Dia., 3 1/4 in Nominal Outside Dia., 70 Shore A, Black, Inch, 25 PK O-Ring: 25.5 mm Nominal Inside Dia., 31.5 mm Nominal Outside Dia., 70 Shore A, Black, 25 PK O-Ring: 336, 2 7/8 in Nominal Inside Dia., 3 1/4 in Nominal Outside Dia., 70 Shore A, Red, 50 PK O-Ring: 208, 5/8 in Nominal Inside Dia., 7/8 in Nominal Outside Dia., 70 Shore A, Black, Inch, 5 PK O-Ring: 219, 1 5/16 in Nominal Inside Dia., 1 9/16 in Nominal Outside Dia., 90 Shore A Backup Ring, Contoured: Buna N, For 275, 0.05 in Thick, 0.174 in Radius, 5 PK O-Ring: 215, 1 1/16 in Nominal Inside Dia., 1 5/16 in Nominal Outside Dia., 70 Shore A, Inch, 100 PK O-Ring: 194.5 mm Nominal Inside Dia., 211.3 mm Nominal Outside Dia., 70 Shore A, Black, 2 PK O-Ring: 13 mm Nominal Inside Dia., 23 mm Nominal Outside Dia., 23 mm Actual Outside Dia., 25 PK O-Ring: 379, 11 in Nominal Inside Dia., 11 3/8 in Nominal Outside Dia., 70 Shore A, Red, 5 PK O-Ring: 106, 3/16 in Nominal Inside Dia., 3/8 in Nominal Outside Dia., 70 Shore A, Black, 50 PK O-Ring: 62 mm Nominal Inside Dia., 72 mm Nominal Outside Dia., 72 mm Actual Outside Dia., 75 Shore A ◀◀ ◀ ▶ ▶▶
