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: 42 mm Nominal Inside Dia., 48 mm Nominal Outside Dia., 48 mm Actual Outside Dia., 25 PK X-Ray and Metal Detectable O-Ring: 219, 1 in Nominal Inside Dia., 1 1/4 in Nominal Outside Dia. O-Ring: 380 mm Nominal Inside Dia., 388 mm Nominal Outside Dia., 388 mm Actual Outside Dia., Black O-Ring: 109, 5/16 in Nominal Inside Dia., 1/2 in Nominal Outside Dia., 75 Shore A, Black, 25 PK O-Ring: 35.5 mm Nominal Inside Dia., 39.5 mm Nominal Outside Dia., 70 Shore A, Black, 50 PK O-Ring: 320, 1 1/8 in Nominal Inside Dia., 1 1/2 in Nominal Outside Dia., 70 Shore A, Red, 50 PK O-Ring Assortment: SAE, EPDM, 200 Pieces, 12 # of Sizes, 70 Shore A O-Ring: 44.7 mm Nominal Inside Dia., 51.7 mm Nominal Outside Dia., 70 Shore A, Black, 10 PK O-Ring: 5.5 mm Nominal Inside Dia., 9.5 mm Nominal Outside Dia., 9.5 mm Actual Outside Dia., 50 PK Backup Ring, Contoured: Buna N, For 332, 0.076 in Thick, 0.262 in Radius, 50 PK O-Ring: 048, 4 3/4 in Nominal Inside Dia., 4 7/8 in Nominal Outside Dia., 90 Shore A, Black, 2 PK O-Ring: 6 mm Nominal Inside Dia., 10 mm Nominal Outside Dia., 10 mm Actual Outside Dia., Std, 50 PK O-Ring: 906, 3/8 in Nominal Outside Dia., 0.624 in Actual Outside Dia., 70 Shore A, Black, 25 PK O-Ring: 45.7 mm Nominal Inside Dia., 52.7 mm Nominal Outside Dia., 70 Shore A, Black, 25 PK O-Ring: 210, 3/4 in Nominal Inside Dia., 1 in Nominal Outside Dia., 60 Shore A, White, 5 PK O-Ring: 230, 2 1/2 in Nominal Inside Dia., 2 3/4 in Nominal Outside Dia., 75 Shore A, Blue O-Ring: 19 mm Nominal Inside Dia., 23 mm Nominal Outside Dia., 23 mm Actual Outside Dia., Red, 50 PK O-Ring: 214, 1 in Nominal Inside Dia., 1 1/4 in Nominal Outside Dia., 75 Shore A, Black, Inch, 5 PK O-Ring: 19 mm Nominal Inside Dia., 29 mm Nominal Outside Dia., 29 mm Actual Outside Dia., Std, 10 PK O-Ring: 105, 5/32 in Nominal Inside Dia., 11/32 in Nominal Outside Dia., 70 Shore A, Red, 50 PK ◀◀ ◀ ▶ ▶▶
