3.1MM CS X 94.4MM ID BLACK BUNA 70D

Buna-N O-Ring, 3.1 x 94.4 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:
H3.1X94.4
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Product Specification

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This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A supplied with an inside diameter of 94.4 mm (3.717 in), a cross section of 3.1 mm (0.122 in), and an outside diameter of 100.6 mm (3.96 in), catalogued under part number H3.1X94.4. It seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces. Supplementary detail from the product record: Metric O-RING, JIS G95.

Buna-N (Nitrile) is specified here for economical choice for high-volume maintenance programs and most widely specified general-purpose sealing elastomer. It resists propane and butane, many alcohols, and greases and lubricants. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). It is not the right choice where ketones or polar solvents are present.

Maintenance and OEM teams specify it across automotive, construction equipment, and agricultural equipment.

This item is sold individually under part number H3.1X94.4. Unit weight is approximately 2.8277 g. Application requirements vary, so validate compatibility with your process conditions prior to installation. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
Item
H3.1X94.4
Description
3.1MM CS X 94.4MM ID BLACK BUNA 70D
Actual Outside Diameter
100.6 mm (3.96 inch)
Actual Cross Section
3.1 mm (0.122 inch)
Actual Inside Diameter
94.4 mm (3.717 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity