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: 62 mm Nominal Inside Dia., 69 mm Nominal Outside Dia., 69 mm Actual Outside Dia., 25 PK O-Ring: 902, 1/8 in Nominal Outside Dia., 0.367 in Actual Outside Dia., 70 Shore A, Black, 100 PK O-Ring: 365, 7 in Nominal Inside Dia., 7 3/8 in Nominal Outside Dia., 70 Shore A, Black, 585 PK O-Ring: 008, 3/16 in Nominal Inside Dia., 5/16 in Nominal Outside Dia., 75 Shore A, Blue, 10 PK O-Ring: 237, 3 3/8 in Nominal Inside Dia., 3 5/8 in Nominal Outside Dia., 70 Shore A, Black, 10 PK O-Ring: 11 mm Nominal Inside Dia., 17 mm Nominal Outside Dia., 17 mm Actual Outside Dia., 10 PK O-Ring: 105 mm Nominal Inside Dia., 112 mm Nominal Outside Dia., 112 mm Actual Outside Dia., 2 PK Backup Ring, Contoured: Buna N, For 038, 0.049 in Thick, 0.087 in Radius, 50 PK O-Ring: 121, 1 1/16 in Nominal Inside Dia., 1 1/4 in Nominal Outside Dia., 80 Shore A, Black, 10 PK O-Ring: 95 mm Nominal Inside Dia., 107 mm Nominal Outside Dia., 107 mm Actual Outside Dia., Black O-Ring: 98 mm Nominal Inside Dia., 102 mm Nominal Outside Dia., 102 mm Actual Outside Dia., 10 PK O-Ring: 211, 13/16 in Nominal Inside Dia., 1 1/16 in Nominal Outside Dia., 70 Shore A, Black, 100 PK O-Ring: 018, 3/4 in Nominal Inside Dia., 7/8 in Nominal Outside Dia., 80 Shore A, Black, 10 PK O-Ring: 021, 15/16 in Nominal Inside Dia., 1 1/16 in Nominal Outside Dia., 70 Shore A, Black, 50 PK O-Ring: 254, 5 1/2 in Nominal Inside Dia., 5 3/4 in Nominal Outside Dia., 75 Shore A, Brown, 2 PK O-Ring: 117, 13/16 in Nominal Inside Dia., 1 in Nominal Outside Dia., 70 Shore A, Green, 10 PK O-Ring: 108 mm Nominal Inside Dia., 115 mm Nominal Outside Dia., 115 mm Actual Outside Dia., 5 PK Backup Ring: Hytrel, For 133, 0.045 in Thick, Black, 50 PK O-Ring: 417, 3 1/2 in Nominal Inside Dia., 4 in Nominal Outside Dia., 70 Shore A, Black, 10 PK O-Ring: 38 mm Nominal Inside Dia., 50 mm Nominal Outside Dia., 50 mm Actual Outside Dia., 5 PK ◀◀ ◀ ▶ ▶▶
