-151 BLACK BUNA 70D O-RING

Buna-N O-Ring, 2.987 in ID x 0.103 CS, 70A, Black, Metal Det., -40 to 250°F

Status
Available
Est. Ship Date
31 Oct 2026
Material
Buna-N (Nitrile / NBR)
Dash Size
151
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
3 inch
Nominal Outside Diameter
3 3/16 inch
Unit of Measure
EA
SKU:
H70MD151
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Product Specification

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Ordered as H70MD151, this is an AS568-151 black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 2.987 in (75.87 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 3.193 in (81.1 mm). The o-ring remains the most cost-effective sealing element available for pressurized assemblies.

Buna-N (Nitrile) is specified here for economical choice for high-volume maintenance programs and most widely specified general-purpose sealing elastomer. The compound resists petroleum-based oils, hydraulic fluids, and greases and lubricants. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C).

This item is metal detectable for HACCP and foreign-body control programs. It sees regular use in agricultural equipment, construction equipment, and fluid power.

Reference part number H70MD151 when ordering; the item is sold individually. Check the compound against your process media, pressure and temperature before committing to a design.
Item
H70MD151
Description
-151 BLACK BUNA 70D O-RING
Actual Cross Section
0.103 inch (2.62 mm)
Actual Inside Diameter
2.987 inch (75.87 mm)
Actual Outside Diameter
3.193 inch (81.1 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
Yes
NSF Certified
No
Product Code
6012
Product Category
O-Rings - FDA / Metal Detectable