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Worldwide distributor of NSN parts and consumables located in the USA.

Nuclear Coolant System Seal Ring

Model / MPN: 2ZK221 | NSN: 4470-00-725-4096
ITAR Registered seal

An item designed to be seal welded to segments on components of a nuclear power plant coolant system, such as valves, demineralizers, heat exchangers, pumps, and the like, to form an efficient seal against the leakage of the primary coolant to the ambient. Excludes seal ring, metal.

Product Details
NATO Stock Number
4470-00-725-4096
Sold in multiples of
DEMIL
DEMIL/MLI
Cross Sectional Shape
General
Wall Thickness
0.093 inches
Overall Height
0.3125 inches
Largest Inside Diameter
2.4375 inches
Outer Radius
0.3125 inches
Inner Radius
0.28125 inches
Outside Diameter Surface Angle In Deg
45.0
Small Inside Diameter
Between 1.870 inches and 1.880 inches
Upper Inside Diameter Surface Angle In Deg
45.0
Inside Flat Surface Diameter
0.010 inches
Criticality Code Justification
Zzzy
Material
Steel comp 304
Surface Treatment
Passivate
Reference Number Differentiating Characteristics
Cleaned in accordance with mil-c-19874 (ships)

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2ZK221 Cross Reference
  • 2ZK221PCZK221E