2MM CS X 40MM ID BLACK BUNA 90D

Buna-N O-Ring, 2 x 40 mm, 90A, Black, -40 to 250°F

Status
Available
Est. Ship Date
31 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:
H90M2X40
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Product Specification

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This o-ring is supplied in black Buna-N (Nitrile) 90 Shore A supplied with an inside diameter of 40 mm (1.575 in), a cross section of 2 mm (0.079 in), and an outside diameter of 44 mm (1.73 in), catalogued under part number H90M2X40. It delivers dependable bidirectional sealing in a compact groove envelope.

Buna-N (Nitrile) is specified here for reliable performance in both static and dynamic service, strong abrasion and tear resistance. It resists petroleum-based oils, water, and greases and lubricants. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). It is not the right choice where polar solvents or automotive brake fluid are present.

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

Reference part number H90M2X40 when ordering; the item is sold individually. Unit weight is approximately 0.576 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.
Item
H90M2X40
Description
2MM CS X 40MM ID BLACK BUNA 90D
Actual Outside Diameter
44 mm (1.73 inch)
Actual Cross Section
2 mm (0.079 inch)
Actual Inside Diameter
40 mm (1.575 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity