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: 140 mm Nominal Inside Dia., 150 mm Nominal Outside Dia., 150 mm Actual Outside Dia., 2 PK O-Ring: 11 mm Nominal Inside Dia., 13 mm Nominal Outside Dia., 13 mm Actual Outside Dia., 25 PK O-Ring: 027, 1 5/16 in Nominal Inside Dia., 1 7/16 in Nominal Outside Dia., 70 Shore A, Black, 25 PK O-Ring: 163, 6 in Nominal Inside Dia., 6 3/16 in Nominal Outside Dia., 70 Shore A, Black, 10 PK Backup Ring, Contoured: Buna N, For 235, 0.05 in Thick, 0.174 in Radius, 25 PK O-Ring: 47.7 mm Nominal Inside Dia., 54.7 mm Nominal Outside Dia., 70 Shore A, Black, 50 PK O-Ring: 015, 9/16 in Nominal Inside Dia., 11/16 in Nominal Outside Dia., 70 Shore A, Red, FDA, 10 PK O-Ring: 375, 9 1/2 in Nominal Inside Dia., 9 7/8 in Nominal Outside Dia., 80 Shore A, Black O-Ring: 360, 5 7/8 in Nominal Inside Dia., 6 1/4 in Nominal Outside Dia., 70 Shore A, Black, 5 PK Backup Ring, Contoured: Buna N, For 369, 0.076 in Thick, 0.262 in Radius, 10 PK O-Ring: 9 mm Nominal Inside Dia., 12 mm Nominal Outside Dia., 12 mm Actual Outside Dia., Red, 50 PK O-Ring: 64 mm Nominal Inside Dia., 67 mm Nominal Outside Dia., 67 mm Actual Outside Dia., 25 PK O-Ring: 012, 3/8 in Nominal Inside Dia., 1/2 in Nominal Outside Dia., 50 Shore A, Red, 25 PK O-Ring: 13 mm Nominal Inside Dia., 18 mm Nominal Outside Dia., 18 mm Actual Outside Dia., 100 PK O-Ring: 33 mm Nominal Inside Dia., 38 mm Nominal Outside Dia., 38 mm Actual Outside Dia., Std, 25 PK O-Ring: 130 mm Nominal Inside Dia., 138 mm Nominal Outside Dia., 138 mm Actual Outside Dia., 2 PK O-Ring: 170 mm Nominal Inside Dia., 180 mm Nominal Outside Dia., 180 mm Actual Outside Dia., Black O-Ring: 10 mm Nominal Inside Dia., 12 mm Nominal Outside Dia., 12 mm Actual Outside Dia., Red, 50 PK O-Ring: 115, 11/16 in Nominal Inside Dia., 7/8 in Nominal Outside Dia., 0.88 in Actual Outside Dia. O-Ring: 009, 7/32 in Nominal Inside Dia., 11/32 in Nominal Outside Dia., 70 Shore A, Black, 100 PK ◀◀ ◀ ▶ ▶▶
