2-402 AS568 Oring Cad 2-402 AS568 Oring
2-402 AS568
AS568-402 Silicone 50 Duro Red FDA O-Ring for 1-5/8 ID X 1/4 CS

Silicone O-Rings 50 Duro Red FDA S500301-402

$ 2.34 per Each
Minimum Order Quantity (MOQ): 13
Out of stock
Qty Price
13 - 14 $2.3400
15 - 32 $1.7550
33 - 64 $1.5210
65 - 128 $1.2870
129 - 256 $1.0530
257+ $0.9360

This item is out of stock. Request a quote and we'll confirm pricing and lead time for your quantity.

Product Details
Material Silicone
Temperature Range -75°F to 450°F
Cross Sectional Shape Round
Hardness 50
Dash 402
Fractional
  • ID: 1-5/8
  • CS: 1/4
  • OD: 2-1/8
Actual (Inch)
  • ID: 1.6 ± 0.015
  • CS: 0.275 ± 0.006
  • OD: 2.150
Actual (Metric)
  • ID: 40.64 ± 0.38
  • CS: 6.99 ± 0.15
  • OD: 54.620

Silicone O-rings are made from a synthetic elastomer composed of silicon, oxygen, hydrogen, and carbon. They are widely used for their excellent flexibility, high-temperature resistance, and exceptional aging properties. Silicone O-rings offer great thermal stability, low toxicity, and resistance to weathering, ozone, and UV exposure, making them ideal for medical, automotive, and food-grade applications. Many silicone compounds are **FDA-compliant**, making them suitable for food and pharmaceutical uses.

Silicone Recommended Uses

Medical and pharmaceutical applications, food and beverage processing, automotive components, aerospace industries, high-temperature sealing applications, and electrical insulation.

Silicone Not Recommended

Petroleum-based oils, fuels, concentrated acids, alkalis, ketones, and steam under high pressure.

Silicone Limitations

  • Not resistant to petroleum-based fluids and fuels.
  • Lower mechanical strength compared to other elastomers.
  • Not ideal for applications requiring high tear and abrasion resistance.
  • Can swell or degrade when exposed to certain chemicals and oils.
Silicone Usable Temperature Range

-85 to 450°F (-65 to 232°C)

Silicone Also Known As

Silicone Rubber, VMQ (Vinyl Methyl Silicone), Polysiloxane.