-361 BLACK BUNA 90D O-RING

Buna-N O-Ring, 5.975 in ID x 0.21 CS, 90A, Black, -40 to 250°F

Status
Available
Est. Ship Date
1 Nov 2026
Material
Buna-N (Nitrile / NBR)
Dash Size
361
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
6 inch
Nominal Outside Diameter
6 3/8 inch
Unit of Measure
EA
SKU:
H90361
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Product Specification

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Ordered as H90361, this is an AS568-361 black Buna-N (Nitrile) 90 Shore A O-Ring measuring an inside diameter of 5.975 in (151.77 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 6.395 in (162.43 mm). The o-ring delivers dependable bidirectional sealing in a compact groove envelope.

The compound resists hydraulic fluids, greases and lubricants, and many alcohols. Buna-N (Nitrile) offers an economical choice for high-volume maintenance programs and 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 polar solvents or ozone and direct sunlight are present.

Common environments for this compound include automotive, fluid power, and construction equipment.

H90361 ships individually. Unit weight is approximately 15.498 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.
Item
H90361
Description
-361 BLACK BUNA 90D O-RING
Actual Cross Section
0.21 inch (5.33 mm)
Actual Inside Diameter
5.975 inch (151.77 mm)
Actual Outside Diameter
6.395 inch (162.43 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6005
Product Category
O-Rings - Bulk - Commodity