Royal Way
AS568-346 O-Ring / Sealing Ring for 4" FIG 206
AS568-346 O-Ring / Sealing Ring for 4" FIG 206
Couldn't load pickup availability
AS568-346 O-Ring / Sealing Ring for 4" FIG 206 hammer union applications.
This sealing ring is commonly used for 4" FIG 206 hammer union connections and other oilfield equipment requiring AS568-346 size. It is available in NBR / Buna-N, HNBR / HSN, and FKM / Viton-type materials with 90 Shore A hardness for oilfield sealing, maintenance, and replacement use.
Key Features
• AS568-346 standard O-ring size
• For 4" FIG 206 hammer union applications
• 90 Shore A hardness
• Available in NBR / Buna-N, HNBR / HSN, and FKM / Viton-type
• Larger 0.210" / 5.33 mm cross section
• Suitable for oilfield sealing, maintenance, and replacement use
• Small quantity orders and bulk supply available
• Custom material and packaging available upon request
Specifications
• AS568 Size: AS568-346
• Application: 4" FIG 206 Hammer Union
• Inside Diameter (ID): 4.100" / 104.14 mm
• Cross Section (CS): 0.210" / 5.33 mm
• Outside Diameter (OD): 4.520" / 114.80 mm
• Hardness: 90 Shore A
Material Options
• NBR / Buna-N: Standard material for general oilfield sealing applications
• HNBR / HSN: Better heat, ozone, and aging resistance
• FKM / Viton-type: Suitable for higher temperature and broader chemical resistance requirements
Ordering Note
Please confirm the AS568 size, material, and application before ordering. For bulk orders, custom packaging, or special compound requirements, please contact us for a quotation.
Material Options
Material Options
Available materials include Buna-N / NBR, HSN / HNBR, and FKM / Viton®-type compounds.
Buna-N / NBR is the most common material for general oilfield O-rings and sealing rings. It is suitable for oil, water, drilling fluid, and standard industrial sealing applications.
HSN / HNBR is used when better heat, abrasion, aging, and sour gas / H2S resistance is required. It is commonly selected for more demanding oilfield service.
FKM / Viton®-type provides better high-temperature and chemical resistance for selected oils, fuels, and chemical media.
Standard hardness is usually 90 Shore A unless otherwise specified. Please confirm size, hardness, material, groove dimensions, and service conditions before ordering.
Applications
Applications
Used for oilfield O-ring and sealing ring applications, including FIG 206 sealing rings, flowline equipment, repair kits, valve service, pressure pumping equipment, well service tools, and general industrial sealing applications.
Bulk Order & Custom Quote
Bulk Order & Custom Quote
Standard AS568 sizes can be ordered online. For carton quantities, custom materials, special hardness, non-standard sizes, private labeling, or custom packaging, please send us the size, material, hardness, application, and quantity.
Compatibility Notice
Compatibility Notice
AS568 sizes, FIG references, and equipment names are used for size and compatibility reference only.
Please confirm final fit against groove dimensions, equipment drawings, material requirements, and service conditions before ordering.
Share
Bulk O-Rings and Sealing Rings
Standard AS568 sizes can be ordered online. For carton quantities, custom materials, special hardness or non-standard sizes, please send us the size, material, hardness, application and quantity.
Bulk packaging and private labeling are available upon request.