1MM CS X 29.9MM ID BLACK BUNA 70D

Buna-N O-Ring, 1 x 29.9 mm, 70A, Black, -40 to 250°F

Status
Available
Est. Ship Date
1 Nov 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:
H1X29.9
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Product Specification

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This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A built to an inside diameter of 29.9 mm (1.177 in), a cross section of 1 mm (0.039 in), and an outside diameter of 31.9 mm (1.26 in), catalogued under part number H1X29.9. It delivers dependable bidirectional sealing in a compact groove envelope.

Buna-N (Nitrile) is specified here for low compression set under sustained load and economical choice for high-volume maintenance programs. This material stands up to greases and lubricants, propane and butane, and hydraulic fluids. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). It is not the right choice where ketones or polar solvents are present.

Typical settings include fluid power, construction equipment, and hydraulic and pneumatic systems.

Reference part number H1X29.9 when ordering; the item is sold individually. Application requirements vary, so validate compatibility with your process conditions prior to installation.
Item
H1X29.9
Description
1MM CS X 29.9MM ID BLACK BUNA 70D
Actual Outside Diameter
31.9 mm (1.26 inch)
Actual Cross Section
1 mm (0.039 inch)
Actual Inside Diameter
29.9 mm (1.177 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity