1.9MM CS X 3.8MM ID BLACK BUNA 90D

Buna-N O-Ring, 1.9 x 3.8 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:
H90M1.9X3.8
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Product Specification

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APG stocks the H90M1.9X3.8, a black Buna-N (Nitrile) 90 Shore A O-Ring supplied with an inside diameter of 3.8 mm (0.15 in), a cross section of 1.9 mm (0.075 in), and an outside diameter of 7.6 mm (0.3 in). An o-ring delivers dependable bidirectional sealing in a compact groove envelope. Additional detail on this item: Metric O-RING, JIS P4.

As a material, Buna-N (Nitrile) is specified for reliable performance in both static and dynamic service, an economical choice for high-volume maintenance programs. The compound resists greases and lubricants, hydraulic fluids, and many alcohols. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service.

Typical settings include construction equipment, hydraulic and pneumatic systems, and general industrial maintenance.

Reference part number H90M1.9X3.8 when ordering; the item is sold individually. Check the compound against your process media, pressure and temperature before committing to a design. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.
Item
H90M1.9X3.8
Description
1.9MM CS X 3.8MM ID BLACK BUNA 90D
Actual Outside Diameter
7.6 mm (0.3 inch)
Actual Cross Section
1.9 mm (0.075 inch)
Actual Inside Diameter
3.8 mm (0.15 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity