Preformed Packing
Item Name Code (INC) 04521
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A circular shaped item with an aperture manufactured to predetermined dimensions and designed for use as a seal in stuffing boxes, packing nuts, and the like. It may be (1) any nonmetallic molded or formed ring (except solid (without joint) rings having a square or rectangular cross section); or (2) any shredded metal or metal foil type metallic or semimetallic rings. Excludes felt items but includes multimaterial items in which one of the materials is felt. For solid (without joints) nonmetallic items with a square or rectangular cross section, see WASHER (as modified) and GASKET. For rubber items specifically designed for weather-proofing doors, windows, chests, and the like see SEAL, NONMETALLIC ANGLE; SEAL, NONMETALLIC CHANNEL; and SEAL, NONMETALLIC, SPECIAL SHAPED SECTION. For circular (with aperature) nonmetallic items with a solid round cross-section see O-RING. Excludes CUP, COMPRESSION; GASKET; WASHER (as modified); and FELT, MECHANICAL, PREFORMED.
Additional Information for Preformed Packing
Preformed packing refers to a type of sealing material that is pre-cut or pre-formed into specific shapes or sizes. It is commonly used in applications where a tight seal is required, such as in pumps, valves, and other mechanical equipment.
Preformed packing is typically made from materials such as rubber, graphite, PTFE (polytetrafluoroethylene), or other synthetic materials. These materials are chosen for their ability to withstand high temperatures, pressure, and chemical exposure.
The main purpose of preformed packing is to prevent leakage of fluids or gases from the equipment it is installed in. It provides a reliable and durable seal that helps maintain the integrity of the system.
When selecting preformed packing, it is important to consider factors such as the operating conditions (temperature, pressure, and chemical compatibility), the size and shape of the sealing area, and the specific requirements of the application.
In the supply group Hardware And Abrasives, preformed packing is categorized under the class Packing And Gasket Materials. This class includes various types of packing materials, gaskets, and sealing products used in industrial and mechanical applications.
If you need more specific information about preformed packing or any other related topic, feel free to ask!
Related Item Names for INC 04521 Preformed Packing
NATO Stock Numbers with Item Name 04521 Preformed Packing Page 1 of 128
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