-210 BLACK BUNA 70D O-RING

Buna-N O-Ring, 0.734 in ID x 0.139 CS, 70A, Black, Metal Det., -40 to 250°F

Status
Available
Est. Ship Date
31 Oct 2026
Material
Buna-N (Nitrile / NBR)
Dash Size
210
Durometer
70 Shore A
Cross Section Type
Round
Color
Black
Minimum Temperature
-40°F (-40°C)
Maximum Temperature
250°F (121°C)
Nominal Cross Section
1/8 inch
Nominal Inside Diameter
3/4 inch
Nominal Outside Diameter
1 inch
Unit of Measure
EA
SKU:
H70MD210
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Product Specification

-
This o-ring is supplied in AS568-210 black Buna-N (Nitrile) 70 Shore A supplied with an inside diameter of 0.734 in (18.64 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 1.012 in (25.7 mm), catalogued under part number H70MD210. It creates a positive seal at flange, piston and rod interfaces without added hardware.

Expect good resistance to greases and lubricants, petroleum-based oils, and water. Buna-N (Nitrile) is valued for reliable performance in both static and dynamic service, strong abrasion and tear resistance. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. Exposure to ketones or polar solvents will shorten service life.

This o-ring is metal detectable for HACCP and foreign-body control programs. Common environments for this compound include hydraulic and pneumatic systems, construction equipment, and fluid power.

Reference part number H70MD210 when ordering; the item is sold individually. Review your operating media and conditions against this specification before installation. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.
Item
H70MD210
Description
-210 BLACK BUNA 70D O-RING
Actual Cross Section
0.139 inch (3.53 mm)
Actual Inside Diameter
0.734 inch (18.64 mm)
Actual Outside Diameter
1.012 inch (25.7 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
Yes
NSF Certified
No
Product Code
6012
Product Category
O-Rings - FDA / Metal Detectable