1MM CS X 3MM ID BLACK BUNA 70D

Buna-N O-Ring, 1 x 3 mm, 70A, Black, -40 to 250°F

Status
Available
Est. Ship Date
30 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:
H1X3
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Product Specification

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Part number H1X3 is a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 3 mm (0.118 in), a cross section of 1 mm (0.039 in), and an outside diameter of 5 mm (0.2 in). An o-ring delivers dependable bidirectional sealing in a compact groove envelope.

The compound resists many alcohols, petroleum-based oils, and hydraulic fluids. That behavior comes from the compound itself: Buna-N (Nitrile) is valued for the most widely specified general-purpose sealing elastomer, strong abrasion and tear resistance. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C).

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

This item is sold individually under part number H1X3. Unit weight is approximately 0.0125 g. Review your operating media and conditions against this specification before installation. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.
Item
H1X3
Description
1MM CS X 3MM ID BLACK BUNA 70D
Actual Outside Diameter
5 mm (0.2 inch)
Actual Cross Section
1 mm (0.039 inch)
Actual Inside Diameter
3 mm (0.118 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity