-464 BLACK BUNA 50D O-RING

Buna-N O-Ring, 17.455 in ID x 0.275 CS, 50A, Black, -40 to 250°F

Status
Out of Stock
Est. Ship Date
22 Oct 2026
Material
Buna-N (Nitrile / NBR)
Dash Size
464
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
1/4 inch
Nominal Inside Diameter
17 1/2 inch
Nominal Outside Diameter
18 inch
Unit of Measure
EA
SKU:
H50464

Product Specification

-
H50464 is an AS568-464 black Buna-N (Nitrile) 50 Shore A O-Ring built to an inside diameter of 17.455 in (443.36 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 18.005 in (457.33 mm). In service, this o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

As a material, Buna-N (Nitrile) delivers low compression set under sustained load and an economical choice for high-volume maintenance programs. The compound resists water, hydraulic fluids, and greases and lubricants. 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 polar solvents are present.

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

This item is sold individually under part number H50464. Nominal inside diameter is listed as 17 1/2 inch. 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
H50464
Description
-464 BLACK BUNA 50D O-RING
Actual Cross Section
0.275 inch (6.99 mm)
Actual Inside Diameter
17.455 inch (443.36 mm)
Actual Outside Diameter
18.005 inch (457.33 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6005
Product Category
O-Rings - Bulk - Commodity