Ordered as VB75431, this is an AS568-431 brown Viton® (FKM) 75 Shore A O-Ring with an inside diameter of 5.225 in (132.72 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 5.775 in (146.69 mm). The o-ring compresses into its gland to block fluid or gas migration across a joint.
As a material, Viton® (FKM) delivers very low compression set at elevated temperature and the industry benchmark where nitrile reaches its thermal limit. This material stands up to many acids, engine and transmission fluids, and aromatic hydrocarbons. The material carries a published service range of -15°F (-26.1°C) to 400°F (204.4°C).
It sees regular use in oil and gas, aerospace, and automotive fuel systems.
Order part number VB75431, sold individually. Unit weight is approximately 34.708 g and nominal inside diameter is listed as 5 1/4 inch. 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 -431 BROWN FKM 75D O-RING
Actual Cross Section 0.275 inch (6.99 mm)
Actual Inside Diameter 5.225 inch (132.72 mm)
Actual Outside Diameter 5.775 inch (146.69 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity