3.5MM CS X 35.7MM ID BLACK BUNA 90D

Buna-N O-Ring, 3.5 x 35.7 mm, 90A, Black, -40 to 250°F

Status
Available
Est. Ship Date
31 Oct 2026
Material
Buna-N (Nitrile / NBR)
Durometer
90 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:
H90M3.5X35.7
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Product Specification

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APG stocks the H90M3.5X35.7, a black Buna-N (Nitrile) 90 Shore A O-Ring built to an inside diameter of 35.7 mm (1.406 in), a cross section of 3.5 mm (0.138 in), and an outside diameter of 42.7 mm (1.68 in). An o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces. This item is further identified as Metric O-RING, JIS P36.

Expect good resistance to water, greases and lubricants, and hydraulic fluids. Buna-N (Nitrile) is valued for low compression set under sustained load and an economical choice for high-volume maintenance programs. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). It is not the right choice where strong acids or ketones are present.

It sees regular use in general industrial maintenance, agricultural equipment, and construction equipment.

Reference part number H90M3.5X35.7 when ordering; the item is sold individually. Unit weight is approximately 1.657 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.
Item
H90M3.5X35.7
Description
3.5MM CS X 35.7MM ID BLACK BUNA 90D
Actual Outside Diameter
42.7 mm (1.68 inch)
Actual Cross Section
3.5 mm (0.138 inch)
Actual Inside Diameter
35.7 mm (1.406 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity