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-378 BROWN FKM 90D O-RING

Viton® O-Ring, 10.475 in ID x 0.21 CS, 90A, Brown, -15 to 400°F

Status
Out of Stock
Est. Ship Date
22 Oct 2026
Material
Fluoroelastomer (FKM/Viton)
Dash Size
378
Durometer
90 Shore A
Cross Section Type
Round
Color
Brown
Minimum Temperature
-15°F (-26°C)
Maximum Temperature
400°F (204°C)
Nominal Cross Section
3/16 inch
Nominal Inside Diameter
10 1/2 inch
Nominal Outside Diameter
10 7/8 inch
Unit of Measure
EA
SKU:
VB90378

Product Specification

-
Ordered as VB90378, this is an AS568-378 brown Viton® (FKM) 90 Shore A O-Ring supplied with an inside diameter of 10.475 in (266.07 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 10.895 in (276.73 mm). The o-ring delivers dependable bidirectional sealing in a compact groove envelope.

Viton® (FKM) is specified here for outstanding high-temperature capability and very low compression set at elevated temperature. This material stands up to engine and transmission fluids, aggressive chemicals, and chlorinated solvents. Continuous operating temperature is published at -15°F (-26.1°C) to 400°F (204.4°C).

Typical settings include oil and gas, semiconductor equipment, and aerospace.

Stocked as VB90378 and sold individually. Nominal inside diameter is listed as 10 1/2 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.
Item
VB90378
Description
-378 BROWN FKM 90D O-RING
Actual Cross Section
0.21 inch (5.33 mm)
Actual Inside Diameter
10.475 inch (266.07 mm)
Actual Outside Diameter
10.895 inch (276.73 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6005
Product Category
O-Rings - Bulk - Commodity