When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
MACHO O-Rings & Seals proudly offers premium-quality AS568-011 Buna-N Nitrile O-Rings, manufactured to precise dimensional tolerances for dependable sealing in hydraulic, pneumatic, automotive, industrial, and general-purpose applications.
Designed for performance and durability, these 70 durometer Buna-N seals deliver excellent resistance to petroleum oils, fuels, water, compressed air, and many common industrial fluids.
Technical SpecificationsSize Standard:
Material:
- Buna-N / Nitrile Rubber (NBR)
Hardness:
Color:
Dimensions:
- Inside Diameter (ID): 0.301 in (7.65 mm)
- Outside Diameter (OD): 0.441 in (11.20 mm)
- Cross Section (CS): 0.070 in (1.78 mm)
Temperature Range:
- -30°F to +250°F
- (-34°C to +121°C)
Material Properties:
✔ Excellent oil resistance
✔ Strong fuel compatibility
✔ Good abrasion resistance
✔ Reliable compression set resistance
✔ Excellent sealing under pressure
Ideal Applications
Perfect for:
- Hydraulic systems
- Pneumatic cylinders
- Automotive fuel systems
- Air compressors
- Pumps and valves
- Robotics equipment
- Industrial machinery
- OEM manufacturing
Why Buy MACHO O-Rings & Seals?Precision You Can Trust:
Every MACHO seal is manufactured for consistent dimensional accuracy and dependable sealing performance.
Bulk Industrial Savings:
10,000-piece pack ideal for:
- Production lines
- Maintenance departments
- OEM manufacturing
- High-volume distributors
Fast Reliable Shipping:
Orders ship quickly from U.S.-based inventory for reduced downtime.
Trusted Industrial Supplier:
MACHO is committed to:
✔ Consistent quality control
✔ Professional packaging
✔ Accurate order fulfillment
✔ Responsive customer support
Marketplace Confidence:
Buy from a seller focused exclusively on sealing products—not generic resellers.
Performance Advantages Over Inferior O-Rings
Unlike low-grade imported seals, MACHO Buna-N O-rings provide:
- Better material consistency
- More accurate durometer control
- Improved sealing reliability
- Reduced failure risk
Packaging Details
Sealed in protective bulk packaging to maintain cleanliness and material integrity during storage and transport.
Choose MACHO. Seal with Confidence.
Premium Industrial Sealing Solutions Built for Performance.
