3MM CS X 74MM ID BLACK BUNA 90D

Buna-N O-Ring, 3 x 74 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:
H90M3X74

Product Specification

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The H90M3X74 is a black Buna-N (Nitrile) 90 Shore A O-Ring supplied with an inside diameter of 74 mm (2.913 in), a cross section of 3 mm (0.118 in), and an outside diameter of 80 mm (3.15 in). This o-ring delivers dependable bidirectional sealing in a compact groove envelope.

Buna-N (Nitrile) is specified here for most widely specified general-purpose sealing elastomer, strong abrasion and tear resistance. It resists many alcohols, propane and butane, and hydraulic fluids. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. Verify compatibility before use with ketones or automotive brake fluid.

You will find this material specified across hydraulic and pneumatic systems, general industrial maintenance, and agricultural equipment.

This item is sold individually under part number H90M3X74. Unit weight is approximately 2.4725 g. Check the compound against your process media, pressure and temperature before committing to a design. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.
Item
H90M3X74
Description
3MM CS X 74MM ID BLACK BUNA 90D
Actual Outside Diameter
80 mm (3.15 inch)
Actual Cross Section
3 mm (0.118 inch)
Actual Inside Diameter
74 mm (2.913 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity