3MM CS X 34.2MM ID BLACK BUNA 90D

Buna-N O-Ring, 3 x 34.2 mm, 90A, Black, -40 to 250°F

Status
Out of Stock
Est. Ship Date
29 Oct 2026
Material
Buna-N (Nitrile / NBR)
Durometer
90 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:
H90M3X34.2

Product Specification

-
This o-ring is supplied in black Buna-N (Nitrile) 90 Shore A built to an inside diameter of 34.2 mm (1.346 in), a cross section of 3 mm (0.118 in), and an outside diameter of 40.2 mm (1.58 in), catalogued under part number H90M3X34.2. It creates a positive seal at flange, piston and rod interfaces without added hardware.

Buna-N (Nitrile) is specified for low compression set under sustained load, reliable performance in both static and dynamic service. Expect good resistance to water, greases and lubricants, and hydraulic fluids. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in ozone and direct sunlight or automotive brake fluid.

Common environments for this compound include hydraulic and pneumatic systems, fluid power, and automotive.

H90M3X34.2 ships individually. Check the compound against your process media, pressure and temperature before committing to a design.
Item
H90M3X34.2
Description
3MM CS X 34.2MM ID BLACK BUNA 90D
Actual Outside Diameter
40.2 mm (1.58 inch)
Actual Cross Section
3 mm (0.118 inch)
Actual Inside Diameter
34.2 mm (1.346 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity