5MM CS X 375MM ID BLACK BUNA 70D

Buna-N O-Ring, 5 x 375 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:
H5X375
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Product Specification

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Part number H5X375 is a black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 375 mm (14.764 in), a cross section of 5 mm (0.197 in), and an outside diameter of 385 mm (15.16 in). An o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

Expect good resistance to propane and butane, water, and greases and lubricants. That behavior comes from the compound itself: Buna-N (Nitrile) is valued for the most widely specified general-purpose sealing elastomer, strong abrasion and tear resistance. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C).

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

Order part number H5X375, sold individually. Unit weight is approximately 28.55 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
Item
H5X375
Description
5MM CS X 375MM ID BLACK BUNA 70D
Actual Outside Diameter
385 mm (15.16 inch)
Actual Cross Section
5 mm (0.197 inch)
Actual Inside Diameter
375 mm (14.764 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity