1MM CS X 7.5MM ID BLACK BUNA 70D

Buna-N O-Ring, 1 x 7.5 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:
H1X7.5
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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 7.5 mm (0.295 in), a cross section of 1 mm (0.039 in), and an outside diameter of 9.5 mm (0.37 in), catalogued under part number H1X7.5. It seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

Buna-N (Nitrile) offers the most widely specified general-purpose sealing elastomer and low compression set under sustained load. This material stands up to water, greases and lubricants, and petroleum-based oils. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C).

Common environments for this compound include agricultural equipment, fluid power, and automotive.

Reference part number H1X7.5 when ordering; the item is sold individually. Unit weight is approximately 0.0264 g. Application requirements vary, so validate compatibility with your process conditions prior to installation. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.
Item
H1X7.5
Description
1MM CS X 7.5MM ID BLACK BUNA 70D
Actual Outside Diameter
9.5 mm (0.37 inch)
Actual Cross Section
1 mm (0.039 inch)
Actual Inside Diameter
7.5 mm (0.295 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity