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: 69.5 mm Nominal Inside Dia., 75.5 mm Nominal Outside Dia., 75.5 mm Actual Outside Dia., 2 PK O-Ring: 281, 15 in Nominal Inside Dia., 15 1/4 in Nominal Outside Dia., 90 Shore A, Black, 2 PK O-Ring: 310 mm Nominal Inside Dia., 318 mm Nominal Outside Dia., 318 mm Actual Outside Dia., Black O-Ring: 006, 1/8 in Nominal Inside Dia., 1/4 in Nominal Outside Dia., 75 Shore A, Black, 50 PK O-Ring: 65 mm Nominal Inside Dia., 71 mm Nominal Outside Dia., 71 mm Actual Outside Dia., Red, 5 PK O-Ring: 4 mm Nominal Inside Dia., 8 mm Nominal Outside Dia., 8 mm Actual Outside Dia., Black, 10 PK O-Ring: 25.2 mm Nominal Inside Dia., 31.2 mm Nominal Outside Dia., 70 Shore A, Black, 50 PK O-Ring: 110, 3/8 in Nominal Inside Dia., 9/16 in Nominal Outside Dia., 70 Shore A, Red, Inch, 10 PK O-Ring: 37.5 mm Nominal Inside Dia., 41.5 mm Nominal Outside Dia., 70 Shore A, Black, 50 PK O-Ring: 166, 6 3/4 in Nominal Inside Dia., 6 15/16 in Nominal Outside Dia., 70 Shore A, Black, 10 PK O-Ring: 127, 1 7/16 in Nominal Inside Dia., 1 5/8 in Nominal Outside Dia., 70 Shore A, Black, 25 PK O-Ring: 221, 1 7/16 in Nominal Inside Dia., 1 11/16 in Nominal Outside Dia., 75 Shore A, Black, Inch O-Ring: 153, 3 1/2 in Nominal Inside Dia., 3 11/16 in Nominal Outside Dia., 70 Shore A, Black, 10 PK O-Ring: 008, 3/16 in Nominal Inside Dia., 5/16 in Nominal Outside Dia., 75 Shore A, Black, 25,000 PK O-Ring: 015, 9/16 in Nominal Inside Dia., 11/16 in Nominal Outside Dia., 50 Shore A, Black, 25 PK O-Ring: 86 mm Nominal Inside Dia., 93 mm Nominal Outside Dia., 93 mm Actual Outside Dia., 10 PK O-Ring: 132, 1 3/4 in Nominal Inside Dia., 1 15/16 in Nominal Outside Dia., 70 Shore A, 2 PK Backup Ring: Hytrel, For 238, 0.045 in Thick, Orange, 25 PK O-Ring: 267, 8 1/4 in Nominal Inside Dia., 8 1/2 in Nominal Outside Dia., 70 Shore A, Red O-Ring: 47 mm Nominal Inside Dia., 51 mm Nominal Outside Dia., 51 mm Actual Outside Dia., 25 PK ◀◀ ◀ ▶ ▶▶
