5.3MM CS X 46.2MM ID BLACK BUNA 70D

Buna-N O-Ring, 5.3 x 46.2 mm, 70A, Black, -40 to 250°F

Status
Available
Est. Ship Date
31 Oct 2026
Material
Buna-N (Nitrile / NBR)
Durometer
70 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:
H5.3X46.2
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Product Specification

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The H5.3X46.2 is a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 46.2 mm (1.819 in), a cross section of 5.3 mm (0.209 in), and an outside diameter of 56.8 mm (2.24 in). This o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

Buna-N (Nitrile) is widely chosen for strong abrasion and tear resistance, the most widely specified general-purpose sealing elastomer. It resists many alcohols, hydraulic fluids, and greases and lubricants. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). Verify compatibility before use with polar solvents or ozone and direct sunlight.

Common environments for this compound include fluid power, automotive, and hydraulic and pneumatic systems.

Stocked as H5.3X46.2 and sold individually. Unit weight is approximately 4.3533 g. Review your operating media and conditions against this specification before installation. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.
Item
H5.3X46.2
Description
5.3MM CS X 46.2MM ID BLACK BUNA 70D
Actual Outside Diameter
56.8 mm (2.24 inch)
Actual Cross Section
5.3 mm (0.209 inch)
Actual Inside Diameter
46.2 mm (1.819 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity