1MM CS X 4MM ID BLACK BUNA 90D

Buna-N O-Ring, 1 x 4 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:
H90M1X4
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Product Specification

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Part number H90M1X4 is a black Buna-N (Nitrile) 90 Shore A O-Ring built to an inside diameter of 4 mm (0.157 in), a cross section of 1 mm (0.039 in), and an outside diameter of 6 mm (0.24 in). An o-ring compresses into its gland to block fluid or gas migration across a joint.

Expect good resistance to propane and butane, many alcohols, and water. Buna-N (Nitrile) is specified for low compression set under sustained load and the most widely specified general-purpose sealing elastomer. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C).

Common environments for this compound include automotive, general industrial maintenance, and fluid power.

This item is sold individually under part number H90M1X4. Unit weight is approximately 0.018 g. Review your operating media and conditions against this specification before installation.
Item
H90M1X4
Description
1MM CS X 4MM ID BLACK BUNA 90D
Actual Outside Diameter
6 mm (0.24 inch)
Actual Cross Section
1 mm (0.039 inch)
Actual Inside Diameter
4 mm (0.157 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity