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-103 BLACK BUNA 50D O-RING

Buna-N O-Ring, 0.081 in ID x 0.103 CS, 50A, Black, -40 to 250°F

Status
Out of Stock
Est. Ship Date
21 Oct 2026
Material
Buna-N (Nitrile / NBR)
Dash Size
103
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
3/32 inch
Nominal Inside Diameter
3/32 inch
Nominal Outside Diameter
9/32 inch
Unit of Measure
EA
SKU:
H50103

Product Specification

-
This o-ring is supplied in AS568-103 black Buna-N (Nitrile) 50 Shore A built to an inside diameter of 0.081 in (2.06 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 0.287 in (7.29 mm), catalogued under part number H50103. It compresses into its gland to block fluid or gas migration across a joint.

Buna-N (Nitrile) is specified here for most widely specified general-purpose sealing elastomer, strong abrasion and tear resistance. The compound resists water, hydraulic fluids, and petroleum-based oils. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). Verify compatibility before use with polar solvents or automotive brake fluid.

Maintenance and OEM teams specify it across general industrial maintenance, construction equipment, and agricultural equipment.

H50103 ships individually. Nominal inside diameter is listed as 3/32 inch. Check the compound against your process media, pressure and temperature before committing to a design. For a size or compound outside the standard catalog, APG can quote from a print or sample.
Item
H50103
Description
-103 BLACK BUNA 50D O-RING
Actual Cross Section
0.103 inch (2.62 mm)
Actual Inside Diameter
0.081 inch (2.06 mm)
Actual Outside Diameter
0.287 inch (7.29 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6005
Product Category
O-Rings - Bulk - Commodity