2MM CS X 144.5MM ID BLACK BUNA 70D

Buna-N O-Ring, 2 x 144.5 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:
H2X144.5
Please login to see price and add to cart

Product Specification

-
Ordered as H2X144.5, this is a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 144.5 mm (5.689 in), a cross section of 2 mm (0.079 in), and an outside diameter of 148.5 mm (5.85 in). The o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load. Source specification: Metric O-RING, JIS S145.

The material holds up against many alcohols, greases and lubricants, and propane and butane. Buna-N (Nitrile) delivers low compression set under sustained load and an economical choice for high-volume maintenance programs. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service.

Maintenance and OEM teams specify it across construction equipment, agricultural equipment, and hydraulic and pneumatic systems.

Reference part number H2X144.5 when ordering; the item is sold individually. Check the compound against your process media, pressure and temperature before committing to a design.
Item
H2X144.5
Description
2MM CS X 144.5MM ID BLACK BUNA 70D
Actual Outside Diameter
148.5 mm (5.85 inch)
Actual Cross Section
2 mm (0.079 inch)
Actual Inside Diameter
144.5 mm (5.689 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity