-365 BLACK BUNA 90D O-RING

Buna-N O-Ring, 6.975 in ID x 0.21 CS, 90A, Black, -40 to 250°F

Status
Available
Est. Ship Date
31 Oct 2026
Material
Buna-N (Nitrile / NBR)
Dash Size
365
Durometer
90 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 inch
Nominal Outside Diameter
7 3/8 inch
Unit of Measure
EA
SKU:
H90365
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Product Specification

-
This o-ring is supplied in AS568-365 black Buna-N (Nitrile) 90 Shore A measuring an inside diameter of 6.975 in (177.17 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 7.395 in (187.83 mm), catalogued under part number H90365. It creates a positive seal at flange, piston and rod interfaces without added hardware.

This material stands up to propane and butane, hydraulic fluids, and greases and lubricants. Buna-N (Nitrile) is valued for the most widely specified general-purpose sealing elastomer and an economical choice for high-volume maintenance programs. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). Verify compatibility before use with ketones or automotive brake fluid.

Typical settings include automotive, general industrial maintenance, and agricultural equipment.

This item is sold individually under part number H90365. Unit weight is approximately 16.537 g and nominal inside diameter is listed as 7 inch. Review your operating media and conditions against this specification before installation. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.
Item
H90365
Description
-365 BLACK BUNA 90D O-RING
Actual Cross Section
0.21 inch (5.33 mm)
Actual Inside Diameter
6.975 inch (177.17 mm)
Actual Outside Diameter
7.395 inch (187.83 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6005
Product Category
O-Rings - Bulk - Commodity