5.7MM CS X 269.3MM ID BLACK BUNA 90D

Buna-N O-Ring, 5.7 x 269.3 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:
H90M5.7X269.3
Please login to see price and add to cart

Product Specification

-
H90M5.7X269.3 is a black Buna-N (Nitrile) 90 Shore A O-Ring supplied with an inside diameter of 269.3 mm (10.602 in), a cross section of 5.7 mm (0.224 in), and an outside diameter of 280.7 mm (11.05 in). In service, this o-ring compresses into its gland to block fluid or gas migration across a joint. Supplementary detail from the product record: Metric O-RING, JIS G270.

Buna-N (Nitrile) delivers an economical choice for high-volume maintenance programs, reliable performance in both static and dynamic service. This material stands up to many alcohols, greases and lubricants, and petroleum-based oils. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). Exposure to strong acids or ketones will shorten service life.

Common environments for this compound include construction equipment, automotive, and fluid power.

Reference part number H90M5.7X269.3 when ordering; the item is sold individually. Unit weight is approximately 29.841 g. Check the compound against your process media, pressure and temperature before committing to a design. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
Item
H90M5.7X269.3
Description
5.7MM CS X 269.3MM ID BLACK BUNA 90D
Actual Outside Diameter
280.7 mm (11.05 inch)
Actual Cross Section
5.7 mm (0.224 inch)
Actual Inside Diameter
269.3 mm (10.602 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity