Ordered as H90M1.5X18, this is a black Buna-N (Nitrile) 90 Shore A O-Ring with an inside diameter of 18 mm (0.709 in), a cross section of 1.5 mm (0.059 in), and an outside diameter of 21 mm (0.83 in). The o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.
Buna-N (Nitrile) is specified for strong abrasion and tear resistance, the most widely specified general-purpose sealing elastomer. The material holds up against many alcohols, propane and butane, and petroleum-based oils. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service.
Typical settings include hydraulic and pneumatic systems, agricultural equipment, and general industrial maintenance.
This item is sold individually under part number H90M1.5X18. Unit weight is approximately 0.1548 g. Application requirements vary, so validate compatibility with your process conditions prior to installation. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.
description 1.5MM CS X 18MM ID BLACK BUNA 90D
uf_description2 METRIC O-RING
Actual_OD 21 mm (0.83 inch)
Actual_CS 1.5 mm (0.059 inch)
Actual_ID 18 mm (0.709 inch)
ProductCode Description O-Rings - Metric - Commodity