-275 BLACK BUNA 90D O-RING

Buna-N O-Ring, 10.484 in ID x 0.139 CS, 90A, Black, -40 to 250°F

Status
Available
Est. Ship Date
31 Oct 2026
Material
Buna-N (Nitrile / NBR)
Dash Size
275
Durometer
90 Shore A
Cross Section Type
Round
Color
Black
Minimum Temperature
-40°F (-40°C)
Maximum Temperature
250°F (121°C)
Nominal Cross Section
1/8 inch
Nominal Inside Diameter
10 1/2 inch
Nominal Outside Diameter
10 3/4 inch
Unit of Measure
EA
SKU:
H90275
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Product Specification

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This o-ring is supplied in AS568-275 black Buna-N (Nitrile) 90 Shore A built to an inside diameter of 10.484 in (266.29 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 10.762 in (273.35 mm), catalogued under part number H90275. It delivers dependable bidirectional sealing in a compact groove envelope.

Buna-N (Nitrile) is known for reliable performance in both static and dynamic service, an economical choice for high-volume maintenance programs. It resists many alcohols, petroleum-based oils, and propane and butane. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). It is not the right choice where automotive brake fluid or strong acids are present.

Common environments for this compound include hydraulic and pneumatic systems, agricultural equipment, and fluid power.

Reference part number H90275 when ordering; the item is sold individually. Unit weight is approximately 0.011 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
H90275
Description
-275 BLACK BUNA 90D O-RING
Actual Cross Section
0.139 inch (3.53 mm)
Actual Inside Diameter
10.484 inch (266.29 mm)
Actual Outside Diameter
10.762 inch (273.35 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6005
Product Category
O-Rings - Bulk - Commodity