O-Ring, Buna N, 21mm OD, PK100 MPN:1RJH3
O-Ring, Buna N, 21mm OD, PK100
Our high-quality Buna N O-Ring is designed for use in a variety of applications where resistance to extreme temperatures and chemicals is required. With a medium-hard durometer rating of 70A, this O-Ring provides excellent durability and flexibility. Its metric measurements and round cross-section shape ensure seamless integration into your system. Suitable for use in temperatures ranging from -40°F to 250°F, this O-Ring is ideal for applications in industries such as aerospace, automotive, and food processing. Its compact size and lightweight design make it easy to handle and install, reducing downtime and increasing efficiency.
Top product features:
- O-Ring material Buna N provides resistance to oil, fuel, and chemicals
- Meets/Exceeds ASTM D2000 and SAE J200 standards for quality and performance
- Operating temperature range of -40 Degrees to 250 Degrees F allows for use in extreme environments
Top product applications:
- Sealing hydraulic systems
- Sealing pneumatic systems
- Sealing high-temperature applications such as engines and gearboxes
O-Ring, Not Metal Detectable Metal Detectable, Not X-Ray Detectable X-Ray Detectable, System of Measurement Metric, Cross Section Shape Round, O-Ring Material Buna N, Durometer (Hardness) Rating Medium Hard, Nominal Inside Dia. 16 mm, Nominal Width 2.5 mm, Actual Inside Dia. 16 mm, Actual Width 2.5 mm, Dash Number Not Applicable, Color Black, Durometer 70A, Meets/Exceeds ASTM D2000, SAE J200, Nominal Outside Dia. 21 mm, Actual Outside Dia. 21 mm, Temp. Range -40 Degrees to 250 Degrees F
Additional Information
- Country of Origin: CN
- Drop Ship Item: No
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 1 days
- Minimum Order Quantity: 1
- Unit of Measure: PK
- Package Length: 4.00
- Package Width: 2.00
- Package Height: 1.00
- Package Weight: 0.08
Product info last updated on February 13, 2026 8:27am UTC
Category: Sealing and Gasketing