AS568-251 (Parker 2-251)
O-ring 129.77 × 3.53 mm
Parker number 2-251 designates the same SAE AS568 size — the numbering differs only in the prefix.
Dimensions
- Inner diameter
- 129.77 mm (5.109 inches)
- Cross-section
- 3.53 mm (0.139 inches)
- Outer diameter
- 136.83 mm
- Series
- medium
In-stock O-rings 129.77 × 3.53 mm
On demand
O-ring 129.77×3.53 NBR 70 Shore A
- Dimensions
- 129.77 × 3.53 mm · OD 136.83 mm
- Material
- NBR · 70 ShA
SKU OR-NBR70-129-77x3-53-RB50782
€1.00excl. VAT
On demand
O-ring 129.77×3.53 FKM 80 Shore A
- Dimensions
- 129.77 × 3.53 mm · OD 136.83 mm
- Material
- FKM · 80 ShA
SKU OR-FKM80-129-77x3-53-RB56476
€3.88excl. VAT
On demand
O-ring 129.77×3.53 EPDM 70 Shore A
- Dimensions
- 129.77 × 3.53 mm · OD 136.83 mm
- Material
- EPDM · 70 ShA
SKU OR-EPDM70-129-77x3-53-RB53404
€1.95excl. VAT
Dimension source: SAE AS568D, cross-checked against the Parker O-Ring Handbook ORD 5700.