4MM CS X 295MM ID BLACK BUNA 70D

Buna-N O-Ring, 4 x 295 mm, 70A, Black, -40 to 250°F

Status
Available
Est. Ship Date
1 Nov 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:
H4X295
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Product Specification

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APG stocks the H4X295, a black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 295 mm (11.614 in), a cross section of 4 mm (0.157 in), and an outside diameter of 303 mm (11.93 in). An o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

Buna-N (Nitrile) is specified here for low compression set under sustained load, strong abrasion and tear resistance. This material stands up to hydraulic fluids, petroleum-based oils, and water. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. Verify compatibility before use with ozone and direct sunlight or polar solvents.

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

This item is sold individually under part number H4X295. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.
Item
H4X295
Description
4MM CS X 295MM ID BLACK BUNA 70D
Actual Outside Diameter
303 mm (11.93 inch)
Actual Cross Section
4 mm (0.157 inch)
Actual Inside Diameter
295 mm (11.614 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity