-235 BLACK BUNA 90D O-RING

Buna-N O-Ring, 3.109 in ID x 0.139 CS, 90A, Black, -40 to 250°F

Status
Available
Est. Ship Date
31 Oct 2026
Material
Buna-N (Nitrile / NBR)
Dash Size
235
Durometer
90 Shore A
Cross Section Type
Round
Color
Black
Minimum Temperature
-40°F (-40°C)
Maximum Temperature
250°F (121°C)
Nominal Cross Section
1/8 inch
Nominal Inside Diameter
3 1/8 inch
Nominal Outside Diameter
3 3/8 inch
Unit of Measure
EA
SKU:
H90235
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Product Specification

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Part number H90235 is an AS568-235 black Buna-N (Nitrile) 90 Shore A O-Ring measuring an inside diameter of 3.109 in (78.97 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 3.387 in (86.03 mm). An o-ring delivers dependable bidirectional sealing in a compact groove envelope.

Buna-N (Nitrile) is specified here for low compression set under sustained load and most widely specified general-purpose sealing elastomer. It resists greases and lubricants, hydraulic fluids, and propane and butane. 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 ketones or polar solvents.

It sees regular use in automotive, agricultural equipment, and fluid power.

This item is sold individually under part number H90235. Unit weight is approximately 0.0034 g. Application requirements vary, so validate compatibility with your process conditions prior to installation.
Item
H90235
Description
-235 BLACK BUNA 90D O-RING
Actual Cross Section
0.139 inch (3.53 mm)
Actual Inside Diameter
3.109 inch (78.97 mm)
Actual Outside Diameter
3.387 inch (86.03 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6005
Product Category
O-Rings - Bulk - Commodity