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-367 BLACK BUNA 50D O-RING

Buna-N O-Ring, 7.475 in ID x 0.21 CS, 50A, Black, -40 to 250°F

Status
Out of Stock
Est. Ship Date
21 Oct 2026
Material
Buna-N (Nitrile / NBR)
Dash Size
367
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
3/16 inch
Nominal Inside Diameter
7 1/2 inch
Nominal Outside Diameter
7 7/8 inch
Unit of Measure
EA
SKU:
H50367

Product Specification

-
H50367 is an AS568-367 black Buna-N (Nitrile) 50 Shore A O-Ring measuring an inside diameter of 7.475 in (189.87 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 7.895 in (200.53 mm). In service, this o-ring compresses into its gland to block fluid or gas migration across a joint.

This material stands up to hydraulic fluids, petroleum-based oils, and propane and butane. Buna-N (Nitrile) delivers strong abrasion and tear resistance, low compression set under sustained load. 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.

Common environments for this compound include automotive, agricultural equipment, and general industrial maintenance.

Stocked as H50367 and sold individually. Nominal inside diameter is listed as 7 1/2 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation.
Item
H50367
Description
-367 BLACK BUNA 50D O-RING
Actual Cross Section
0.21 inch (5.33 mm)
Actual Inside Diameter
7.475 inch (189.87 mm)
Actual Outside Diameter
7.895 inch (200.53 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6005
Product Category
O-Rings - Bulk - Commodity