1.9MM CS X 3.8MM ID BLACK BUNA 70D

Buna-N O-Ring, 1.9 x 3.8 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:
H1.9X3.8
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Product Specification

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The H1.9X3.8 is a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 3.8 mm (0.15 in), a cross section of 1.9 mm (0.075 in), and an outside diameter of 7.6 mm (0.3 in). This o-ring delivers dependable bidirectional sealing in a compact groove envelope. This item is further identified as Metric O-RING, JIS P4.

As a material, Buna-N (Nitrile) delivers an economical choice for high-volume maintenance programs, strong abrasion and tear resistance. The material holds up against water, petroleum-based oils, and many alcohols. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C).

Typical settings include automotive, fluid power, and general industrial maintenance.

H1.9X3.8 ships individually. Unit weight is approximately 0.0624 g. Review your operating media and conditions against this specification before installation.
Item
H1.9X3.8
Description
1.9MM CS X 3.8MM ID BLACK BUNA 70D
Actual Outside Diameter
7.6 mm (0.3 inch)
Actual Cross Section
1.9 mm (0.075 inch)
Actual Inside Diameter
3.8 mm (0.15 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity