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-457 BLACK BUNA 50D O-RING

Buna-N O-Ring, 13.975 in ID x 0.275 CS, 50A, Black, -40 to 250°F

Status
Out of Stock
Est. Ship Date
21 Oct 2026
Material
Buna-N (Nitrile / NBR)
Dash Size
457
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
14 inch
Nominal Outside Diameter
14 1/2 inch
Unit of Measure
EA
SKU:
H50457

Product Specification

-
Part number H50457 is an AS568-457 black Buna-N (Nitrile) 50 Shore A O-Ring supplied with an inside diameter of 13.975 in (354.97 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 14.525 in (368.94 mm). An o-ring delivers dependable bidirectional sealing in a compact groove envelope.

Buna-N (Nitrile) is known for the most widely specified general-purpose sealing elastomer and an economical choice for high-volume maintenance programs. This material stands up to petroleum-based oils, hydraulic fluids, and greases and lubricants. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. Applications involving automotive brake fluid or strong acids call for a different compound.

You will find this material specified across general industrial maintenance, hydraulic and pneumatic systems, and automotive.

Reference part number H50457 when ordering; the item is sold individually. Nominal inside diameter is listed as 14 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.
Item
H50457
Description
-457 BLACK BUNA 50D O-RING
Actual Cross Section
0.275 inch (6.99 mm)
Actual Inside Diameter
13.975 inch (354.97 mm)
Actual Outside Diameter
14.525 inch (368.94 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6005
Product Category
O-Rings - Bulk - Commodity