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-324 BLACK BUNA 70D O-RING

Buna-N O-Ring, 1.35 in ID x 0.21 CS, 70A, Black, Metal Det., -40 to 250°F

Status
Available
Est. Ship Date
22 Oct 2026
Material
Buna-N (Nitrile / NBR)
Dash Size
324
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
3/16 inch
Nominal Inside Diameter
1 3/8 inch
Nominal Outside Diameter
1 3/4 inch
Unit of Measure
EA
SKU:
H70MD324
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Product Specification

-
APG stocks the H70MD324, an AS568-324 black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 1.35 in (34.29 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 1.77 in (44.96 mm). An o-ring delivers dependable bidirectional sealing in a compact groove envelope.

As a material, Buna-N (Nitrile) is widely chosen for the most widely specified general-purpose sealing elastomer, reliable performance in both static and dynamic service. The material holds up against petroleum-based oils, greases and lubricants, and water. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). Exposure to strong acids or ketones will shorten service life.

The compound is metal detectable for HACCP and foreign-body control programs. Common environments for this compound include automotive, general industrial maintenance, and fluid power.

This item is sold individually under part number H70MD324. Nominal inside diameter is listed as 1 3/8 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application.
Item
H70MD324
Description
-324 BLACK BUNA 70D O-RING
Actual Cross Section
0.21 inch (5.33 mm)
Actual Inside Diameter
1.35 inch (34.29 mm)
Actual Outside Diameter
1.77 inch (44.96 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
Yes
NSF Certified
No
Product Code
6012
Product Category
O-Rings - FDA / Metal Detectable