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568-313 HSN90 DURO ORINGS

HNBR O-Ring, 0.662 in ID x 0.21 CS, 90A, Green, -40 to 325°F

Status
Out of Stock
Est. Ship Date
20 Oct 2026
Material
HNBR
Dash Size
313
Durometer
90 Shore A
Cross Section Type
Round
Color
Green
Minimum Temperature
-40°F (-40°C)
Maximum Temperature
325°F (163°C)
Nominal Cross Section
3/16 inch
Nominal Inside Diameter
11/16 inch
Nominal Outside Diameter
1 1/16 inch
Unit of Measure
EA
SKU:
HSN90313

Product Specification

-
This o-ring is supplied in AS568-313 green HNBR (Hydrogenated Nitrile) 90 Shore A supplied with an inside diameter of 0.662 in (16.81 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 1.082 in (27.48 mm), catalogued under part number HSN90313. It delivers dependable bidirectional sealing in a compact groove envelope.

HNBR (Hydrogenated Nitrile) delivers strong resistance to rapid gas decompression, excellent abrasion and tear strength. Expect good resistance to heat and oxidation, petroleum oils and fuels, and sour gas and amine inhibitors. Continuous operating temperature is published at -40°F (-40°C) to 325°F (162.8°C). Applications involving esters or strong oxidizing acids call for a different compound.

You will find this material specified across oilfield and downhole equipment, heavy-duty powertrain, and commercial refrigeration.

Reference part number HSN90313 when ordering; the item is sold individually. Application requirements vary, so validate compatibility with your process conditions prior to installation. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.
Item
HSN90313
Description
568-313 HSN90 DURO ORINGS
Actual Cross Section
0.21 inch (5.33 mm)
Actual Inside Diameter
0.662 inch (16.81 mm)
Actual Outside Diameter
1.082 inch (27.48 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6006
Product Category
O-Rings - Bulk - Premium