-278 BLACK CHEMOURS VITON 75D O-RING

Viton® O-Ring, 11.984 in ID x 0.139 CS, 75A, Black, -15 to 400°F

Status
Out of Stock
Est. Ship Date
23 Oct 2026
Material
Fluoroelastomer (FKM/Viton)
Dash Size
278
Durometer
75 Shore A
Cross Section Type
Round
Color
Black
Minimum Temperature
-15°F (-26°C)
Maximum Temperature
400°F (204°C)
Nominal Cross Section
1/8 inch
Nominal Inside Diameter
12 inch
Nominal Outside Diameter
12 1/4 inch
Unit of Measure
EA
SKU:
VITON75278
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Product Specification

-
The VITON75278 is an AS568-278 black Viton® (FKM) 75 Shore A O-Ring supplied with an inside diameter of 11.984 in (304.39 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 12.262 in (311.45 mm). This o-ring delivers dependable bidirectional sealing in a compact groove envelope.

Viton® (FKM) is specified here for very low compression set at elevated temperature and industry benchmark where nitrile reaches its thermal limit. The compound resists many acids, aggressive chemicals, and aromatic hydrocarbons. Published continuous service range is -15°F (-26.1°C) to 400°F (204.4°C). Verify compatibility before use with low-molecular-weight organic acids or ketones and esters.

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

Reference part number VITON75278 when ordering; the item is sold individually. Unit weight is approximately 17.172 g and nominal inside diameter is listed as 12 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation.
Item
VITON75278
Description
-278 BLACK CHEMOURS VITON 75D O-RING
Actual Cross Section
0.139 inch (3.53 mm)
Actual Inside Diameter
11.984 inch (304.39 mm)
Actual Outside Diameter
12.262 inch (311.45 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6005
Product Category
O-Rings - Bulk - Commodity