Part Location Diagram of 802851 DeWALT O RING
See part 63 in the diagram
( Grid squares measure 1x1 inch )

O RING 802851

$ 2.99
No Longer Available

No Longer Available

Sorry, this part is No Longer Available at Fix.com, which means:

  • The part is no longer sold by the manufacturer.
  • The manufacturer does not stock any substitute parts to replace this one and therefore, unfortunately, we cannot obtain or recommend a substitution for this part.
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Fix Number:
FIX12501661
Manufacturer #:
802851
Manufactured by:
DeWALT

Product Description

O-rings are designed to contain thousands of pounds of pressure by creating a seal between two or more parts. O-ring measurements are defined by the inside diameter and the thickness. There are many causes for O-Ring failure, such as pressure, friction, temperature or chemicals. The most common are: • <u>Extrusion and Nibbling</u> - O-ring has ragged, tattered edges. These are commonly caused by pressure spikes which shear off tiny "bites" from the o-ring, or caused by clearance gaps. • <u>Abrasion</u> - One or both sides of the o-ring appear rough and slightly flattened. Commonly caused by a contact surface that is too rough, contains grit or is too smooth to allow lubrication. • <u>Over Compression </u> - O-ring is flattened on both sides and may have a "ring" split along its length. Commonly caused by excessive pressure or heat. • <u>Heat Hardening</u> - O-ring has a pitted or cracked surface, and often is flattened on both sides. Caused by temperature exceeding o-ring capacity. • <u>Weather/Ozone Cracking</u> - O-ring is covered in small surface cracks. Caused by exposure to ozone, UV rays and air pollution. Excessive seal stretching causes similar cracking.