1-321-802-5889

NSN 4820-01-544-0931

Valve Seat Insert

About this product

Zzzy criticality code justification, (inavy): poppet x seat part name assigned by controlling agency, material controlled iaw navsea 0948-lp-045-7010 material control standard for level i items reference number differentiating characteristics, .

Manufacturer part number 845-6903452-X-3,6903452-X-4 for national stock number 4820015440931.

Datasheet

  • Product description

    Valve Seat NSN 4820-01-544-0931.

  • MPN or Model

    845-6903452-X-3,6903452-X-4

  • Schedule B
    8481.90.9090 (Parts of taps, cocks, valves and similar appliances, nesoi)
  • NMF (National Motor Freight)
    051080 - Faucets, Bibcocks, Gates Valves
  • End Application
    Valve vent check 2.00ips 4500psi nimocr btwld
  • Criticality Code Justification
    Zzzy
  • Part Name Assigned By Controlling Agency
    (inavy): poppet x seat
  • Reference Number Differentiating Characteristics
    Material controlled iaw navsea 0948-lp-045-7010 material control standard for level i items
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 4820015440931

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
845-6903452-X-3,6903452-X-4 Naval Sea Systems Command
845-6903452 ITEM 3,4 Scandia Manufacturing Co., Inc.
845-6903452 ITEM 3,4L1 Naval Inventory Control Point
845-6903452-X-3,6903452-X-4L1 Naval Inventory Control Point
845-6903452 ITEM 3,4 Naval Sea Systems Command
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