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NSN 4820-01-505-0518

Seat Retainer

About this product

This ring seat retainer is designed for .25, .50, and 1.00 inch. Valve assembly--ball air bleed type. Two ring seat retainers are required per valve assembly..

Manufacturer part number 7285244 ITEM 53 for national stock number 4820015050518.

Datasheet

  • Product description

    Valve Seat Retainer NSN 4820-01-505-0518.

  • MPN or Model

    7285244 ITEM 53

  • Schedule B
    8481.90.9090 (Parts of taps, cocks, valves and similar appliances, nesoi)
  • NMF (National Motor Freight)
    051080 - Faucets, Bibcocks, Gates Valves
  • Unit Weight (Est.)
    0.1 lb
  • End Application
    Regulator
  • Criticality Code Justification
    Zzzy
  • Valve Design Control Activity
    53711
  • Material
    Stainless steel
  • Material Specification
    Qq-s-763 cl 304 cond a federal specification single material response
  • Reference Number Differentiating Characteristics
    Requires special cleaning and packaging for oxygen and nitrogen service.
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Valve Seat Retainer

An item of various shapes and cross-sections, that may be flanged and that is designed to fit over a valve seat, allowing proper positioning of the seat with a flow control device.

Mechanic Bill explains Seat Retainer

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NSN 4820015050518

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
7285244 ITEM 53 Naval Sea Systems Command
2643-405-01 ITEM 53 Electric Boat Corporation
2643-405-01 ITEM 53CP Naval Inventory Control Point
7285244 Naval Sea Systems Command
2643-405-01 Electric Boat Corporation
Stock Check
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