3.55MM CS X 136MM ID BLACK BUNA 70D

Buna-N O-Ring, 3.55 x 136 mm, 70A, Black, -40 to 250°F

Status
Available
Est. Ship Date
31 Oct 2026
Material
Buna-N (Nitrile / NBR)
Durometer
70 Shore A
Cross Section Type
Round
Color
Black
Minimum Temperature
-40°F (-40°C)
Maximum Temperature
250°F (121°C)
Unit of Measure
EA
SKU:
H3.55X136
Please login to see price and add to cart

Product Specification

-
APG stocks the H3.55X136, a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 136 mm (5.354 in), a cross section of 3.55 mm (0.14 in), and an outside diameter of 143.1 mm (5.63 in). An o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

Buna-N (Nitrile) offers the most widely specified general-purpose sealing elastomer, reliable performance in both static and dynamic service. It resists petroleum-based oils, many alcohols, 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 automotive brake fluid or polar solvents.

Typical settings include agricultural equipment, automotive, and fluid power.

Order part number H3.55X136, sold individually. Unit weight is approximately 5.2997 g. Application requirements vary, so validate compatibility with your process conditions prior to installation.
Item
H3.55X136
Description
3.55MM CS X 136MM ID BLACK BUNA 70D
Actual Outside Diameter
143.1 mm (5.63 inch)
Actual Cross Section
3.55 mm (0.14 inch)
Actual Inside Diameter
136 mm (5.354 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity