5.7MM CS X 89.2MM ID BLACK BUNA 90D

Buna-N O-Ring, 5.7 x 89.2 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:
H90M5.7X89.2
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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 89.2 mm (3.512 in), a cross section of 5.7 mm (0.224 in), and an outside diameter of 100.6 mm (3.96 in), catalogued under part number H90M5.7X89.2. It compresses into its gland to block fluid or gas migration across a joint.

Buna-N (Nitrile) is specified here for low compression set under sustained load and economical choice for high-volume maintenance programs. Expect good resistance to many alcohols, greases and lubricants, and petroleum-based oils. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C).

Common environments for this compound include fluid power, general industrial maintenance, and hydraulic and pneumatic systems.

This item is sold individually under part number H90M5.7X89.2. Application requirements vary, so validate compatibility with your process conditions prior to installation.
Item
H90M5.7X89.2
Description
5.7MM CS X 89.2MM ID BLACK BUNA 90D
Actual Outside Diameter
100.6 mm (3.96 inch)
Actual Cross Section
5.7 mm (0.224 inch)
Actual Inside Diameter
89.2 mm (3.512 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity