-027 BLACK BUNA 50D O-RING

Buna-N O-Ring, 1.301 in ID x 0.07 CS, 50A, Black, -40 to 250°F

Status
Available
Est. Ship Date
31 Oct 2026
Material
Buna-N (Nitrile / NBR)
Dash Size
27
Durometer
50 Shore A
Cross Section Type
Round
Color
Black
Minimum Temperature
-40°F (-40°C)
Maximum Temperature
250°F (121°C)
Nominal Cross Section
1/16 inch
Nominal Inside Diameter
1 5/16 inch
Nominal Outside Diameter
1 7/16 inch
Unit of Measure
EA
SKU:
H50027
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Product Specification

-
H50027 is an AS568-027 black Buna-N (Nitrile) 50 Shore A O-Ring supplied with an inside diameter of 1.301 in (33.05 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 1.441 in (36.6 mm). In service, this o-ring remains the most cost-effective sealing element available for pressurized assemblies.

Buna-N (Nitrile) is specified here for low compression set under sustained load and economical choice for high-volume maintenance programs. The compound resists many alcohols, greases and lubricants, and propane and butane. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). It is not the right choice where strong acids or polar solvents are present.

Typical settings include hydraulic and pneumatic systems, construction equipment, and automotive.

Stocked as H50027 and sold individually. Unit weight is approximately 0.0004 g and nominal inside diameter is listed as 1 5/16 inch. Review your operating media and conditions against this specification before installation. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.
Item
H50027
Description
-027 BLACK BUNA 50D O-RING
Actual Cross Section
0.07 inch (1.78 mm)
Actual Inside Diameter
1.301 inch (33.05 mm)
Actual Outside Diameter
1.441 inch (36.6 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6005
Product Category
O-Rings - Bulk - Commodity