3MM CS X 136MM ID BLACK BUNA 70D

Buna-N O-Ring, 3 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:
H3X136
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Product Specification

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APG stocks the H3X136, a black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 136 mm (5.354 in), a cross section of 3 mm (0.118 in), and an outside diameter of 142 mm (5.59 in). An o-ring delivers dependable bidirectional sealing in a compact groove envelope.

Buna-N (Nitrile) is specified here for low compression set under sustained load, strong abrasion and tear resistance. The material holds up against propane and butane, greases and lubricants, and hydraulic fluids. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service.

Common environments for this compound include construction equipment, agricultural equipment, and general industrial maintenance.

This item is sold individually under part number H3X136. Unit weight is approximately 3.77 g. Check the compound against your process media, pressure and temperature before committing to a design.
Item
H3X136
Description
3MM CS X 136MM ID BLACK BUNA 70D
Actual Outside Diameter
142 mm (5.59 inch)
Actual Cross Section
3 mm (0.118 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