3MM CS X 27MM ID BLACK BUNA 70D

Buna-N O-Ring, 3 x 27 mm, 70A, Black, -40 to 250°F

Status
Available
Est. Ship Date
31 Oct 2026
Material
Buna-N (Nitrile / NBR)
Durometer
70 Shore A
Cross Section Type
Round
Color
Black
Minimum Temperature
-40°F (-40°C)
Maximum Temperature
250°F (121°C)
Unit of Measure
EA
SKU:
H3X27
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Product Specification

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APG stocks the H3X27, a black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 27 mm (1.063 in), a cross section of 3 mm (0.118 in), and an outside diameter of 33 mm (1.3 in). An o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

This material stands up to greases and lubricants, many alcohols, and hydraulic fluids. That behavior comes from the compound itself: Buna-N (Nitrile) offers an economical choice for high-volume maintenance programs, reliable performance in both static and dynamic service. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. Verify compatibility before use with strong acids or polar solvents.

Typical settings include general industrial maintenance, automotive, and hydraulic and pneumatic systems.

H3X27 ships individually. Unit weight is approximately 0.858 g. Check the compound against your process media, pressure and temperature before committing to a design. For a size or compound outside the standard catalog, APG can quote from a print or sample.
Item
H3X27
Description
3MM CS X 27MM ID BLACK BUNA 70D
Actual Outside Diameter
33 mm (1.3 inch)
Actual Cross Section
3 mm (0.118 inch)
Actual Inside Diameter
27 mm (1.063 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity