1MM CS X 38MM ID BLACK BUNA 70D

Buna-N O-Ring, 1 x 38 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:
H1X38
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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 38 mm (1.496 in), a cross section of 1 mm (0.039 in), and an outside diameter of 40 mm (1.57 in), catalogued under part number H1X38. It creates a positive seal at flange, piston and rod interfaces without added hardware.

Buna-N (Nitrile) offers low compression set under sustained load, strong abrasion and tear resistance. The compound resists water, many alcohols, and propane and butane. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). Applications involving strong acids or polar solvents call for a different compound.

It sees regular use in hydraulic and pneumatic systems, agricultural equipment, and construction equipment.

Order part number H1X38, sold individually. As always, verify media compatibility and operating conditions against the requirements of your specific application.
Item
H1X38
Description
1MM CS X 38MM ID BLACK BUNA 70D
Actual Outside Diameter
40 mm (1.57 inch)
Actual Cross Section
1 mm (0.039 inch)
Actual Inside Diameter
38 mm (1.496 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity