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NSN 4820-01-442-9935

Valve Seat Insert

About this product

2.680 inches flange diameter, 0.500 inches flange seat to disk end height, 0.531 inches under flange height, thready qty per inch (tpi): 18 single threaded portion.

Manufacturer part number 803-6397434-X61XXX 042 for national stock number 4820014429935.

Datasheet

  • Product description

    Valve Seat NSN 4820-01-442-9935.

  • MPN or Model

    803-6397434-X61XXX 042

  • Schedule B
    8481.90.9090 (Parts of taps, cocks, valves and similar appliances, nesoi)
  • NMF (National Motor Freight)
    051080 - Faucets, Bibcocks, Gates Valves
  • Thread Class
    3a single threaded portion
  • Flange Diameter
    2.680 inches
  • Flange Seat To Disk End Height
    0.500 inches
  • Under Flange Height
    0.531 inches
  • Thready Qty Per Inch (tpi)
    18 single threaded portion
  • Thread Size
    2.5156 inches single threaded portion
  • Criticality Code Justification
    Zzzy
  • Material
    Cobalt comp 1
  • Material Specification
    Mil-c-24252 military specification single material response
  • Style Designator
    Threaded flanged
  • Thread Series Designator
    Uns single threaded portion
  • Reference Number Differentiating Characteristics
    Material controlled iaw navsea 0948-lp-045-7010 material control standard for level i items
More from these suppliers
Valve Seat

A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see insert, engine valve seat.

Mechanic Bill explains Valve Seat Insert

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NSN 4820014429935

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
803-6397434-X61XXX 042 Naval Sea Systems Command
803-6397434-X61XXX-049 Naval Sea Systems Command
803-6397434-X61XXX 042L1 Naval Inventory Control Point
803-6397434-X61XXX-049L1 Naval Inventory Control Point
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