AS568-278 (Parker 2-278)
O-ring 304.39 × 3.53 mm
Parker number 2-278 designates the same SAE AS568 size — the numbering differs only in the prefix.
Dimensions
- Inner diameter
- 304.39 mm (11.984 inches)
- Cross-section
- 3.53 mm (0.139 inches)
- Outer diameter
- 311.45 mm
- Series
- medium
In-stock O-rings 304.39 × 3.53 mm
On demand
O-ring 304.39×3.53 NBR 70 Shore A
- Dimensions
- 304.39 × 3.53 mm · OD 311.45 mm
- Material
- NBR · 70 ShA
SKU OR-NBR70-304-39x3-53-RB52319
€3.20excl. VAT
On demand
O-ring 304.39×3.53 FKM 80 Shore A
- Dimensions
- 304.39 × 3.53 mm · OD 311.45 mm
- Material
- FKM · 80 ShA
SKU OR-FKM80-304-39x3-53-RB57281
€9.64excl. VAT
On demand
O-ring 304.39×3.53 EPDM 70 Shore A
- Dimensions
- 304.39 × 3.53 mm · OD 311.45 mm
- Material
- EPDM · 70 ShA
SKU OR-EPDM70-304-39x3-53-RB53450
€6.08excl. VAT
Dimension source: SAE AS568D, cross-checked against the Parker O-Ring Handbook ORD 5700.