-129 BLACK BUNA 70D O-RING

Buna-N O-Ring, 1.549 in ID x 0.103 CS, 70A, Black, Metal Det., -40 to 250°F

Status
Out of Stock
Est. Ship Date
29 Oct 2026
Material
Buna-N (Nitrile / NBR)
Dash Size
129
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
1 9/16 inch
Nominal Outside Diameter
1 3/4 inch
Unit of Measure
EA
SKU:
H70MD129

Product Specification

-
APG stocks the H70MD129, an AS568-129 black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 1.549 in (39.34 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 1.755 in (44.58 mm). An o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

Buna-N (Nitrile) is specified here for reliable performance in both static and dynamic service, economical choice for high-volume maintenance programs. It resists many alcohols, greases and lubricants, and water. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. Verify compatibility before use with ozone and direct sunlight or polar solvents.

This o-ring is metal detectable for HACCP and foreign-body control programs. It sees regular use in agricultural equipment, hydraulic and pneumatic systems, and automotive.

This item is sold individually under part number H70MD129. 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
H70MD129
Description
-129 BLACK BUNA 70D O-RING
Actual Cross Section
0.103 inch (2.62 mm)
Actual Inside Diameter
1.549 inch (39.34 mm)
Actual Outside Diameter
1.755 inch (44.58 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
Yes
NSF Certified
No
Product Code
6012
Product Category
O-Rings - FDA / Metal Detectable