5.7MM CS X 49.6MM ID BLACK BUNA 90D

Buna-N O-Ring, 5.7 x 49.6 mm, 90A, Black, -40 to 250°F

Status
Available
Est. Ship Date
31 Oct 2026
Material
Buna-N (Nitrile / NBR)
Durometer
90 Shore A
Cross Section Type
Round
Color
Black
Minimum Temperature
-40°F (-40°C)
Maximum Temperature
250°F (121°C)
Unit of Measure
EA
SKU:
H90M5.7X49.6
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Product Specification

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This o-ring is supplied in black Buna-N (Nitrile) 90 Shore A with an inside diameter of 49.6 mm (1.953 in), a cross section of 5.7 mm (0.224 in), and an outside diameter of 61 mm (2.4 in), catalogued under part number H90M5.7X49.6. It delivers dependable bidirectional sealing in a compact groove envelope. This item is further identified as Metric O-RING, JIS P50A.

Buna-N (Nitrile) is widely chosen for strong abrasion and tear resistance, the most widely specified general-purpose sealing elastomer. Expect good resistance to many alcohols, water, and propane and butane. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service.

Maintenance and OEM teams specify it across agricultural equipment, construction equipment, and general industrial maintenance.

Order part number H90M5.7X49.6, sold individually. Unit weight is approximately 6.1545 g. Application requirements vary, so validate compatibility with your process conditions prior to installation. For a size or compound outside the standard catalog, APG can quote from a print or sample.
Item
H90M5.7X49.6
Description
5.7MM CS X 49.6MM ID BLACK BUNA 90D
Actual Outside Diameter
61 mm (2.4 inch)
Actual Cross Section
5.7 mm (0.224 inch)
Actual Inside Diameter
49.6 mm (1.953 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity