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-274 BLACK BUNA 70D O-RING

Buna-N O-Ring, 9.984 in ID x 0.139 CS, 70A, Black, Metal Det., -40 to 250°F

Status
Out of Stock
Est. Ship Date
22 Oct 2026
Material
Buna-N (Nitrile / NBR)
Dash Size
274
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
10 inch
Nominal Outside Diameter
10 1/4 inch
Unit of Measure
EA
SKU:
H70MD274

Product Specification

-
APG stocks the H70MD274, an AS568-274 black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 9.984 in (253.59 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 10.262 in (260.65 mm). An o-ring delivers dependable bidirectional sealing in a compact groove envelope.

Buna-N (Nitrile) is known for the most widely specified general-purpose sealing elastomer, reliable performance in both static and dynamic service. This material stands up to greases and lubricants, many alcohols, and hydraulic fluids. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. It is not the right choice where polar solvents or strong acids are present.

This item is metal detectable for HACCP and foreign-body control programs. You will find this material specified across fluid power, automotive, and hydraulic and pneumatic systems.

Order part number H70MD274, sold individually. As always, verify media compatibility and operating conditions against the requirements of your specific application. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.
Item
H70MD274
Description
-274 BLACK BUNA 70D O-RING
Actual Cross Section
0.139 inch (3.53 mm)
Actual Inside Diameter
9.984 inch (253.59 mm)
Actual Outside Diameter
10.262 inch (260.65 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
Yes
NSF Certified
No
Product Code
6012
Product Category
O-Rings - FDA / Metal Detectable