-168 BLACK BUNA 70D O-RING

Buna-N O-Ring, 7.237 in ID x 0.103 CS, 70A, Black, -40 to 250°F

Status
Available
Est. Ship Date
31 Oct 2026
Material
Buna-N (Nitrile / NBR)
Dash Size
168
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
3/32 inch
Nominal Inside Diameter
7 1/4 inch
Nominal Outside Diameter
7 7/16 inch
Unit of Measure
EA
SKU:
H70168
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Product Specification

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Part number H70168 is an AS568-168 black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 7.237 in (183.82 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 7.443 in (189.05 mm). An o-ring delivers dependable bidirectional sealing in a compact groove envelope.

It resists water, hydraulic fluids, and propane and butane. That behavior comes from the compound itself: Buna-N (Nitrile) is known for an economical choice for high-volume maintenance programs, reliable performance in both static and dynamic service. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C).

Typical settings include fluid power, automotive, and general industrial maintenance.

Reference part number H70168 when ordering; the item is sold individually. Unit weight is approximately 3.8565 g. Application requirements vary, so validate compatibility with your process conditions prior to installation. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
Item
H70168
Description
-168 BLACK BUNA 70D O-RING
Actual Cross Section
0.103 inch (2.62 mm)
Actual Inside Diameter
7.237 inch (183.82 mm)
Actual Outside Diameter
7.443 inch (189.05 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6005
Product Category
O-Rings - Bulk - Commodity