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NSN 4820-01-149-9070

Valve Seat Insert

About this product

Zzzy criticality code justification, quality control in accordance with navships 0948-045-7010 material identification and control instruction for level 1 items reference number differentiating characteristics, .

Manufacturer part number SSN637-501-2143806 PIECE 2 for national stock number 4820011499070.

Datasheet

  • Product description

    Valve Seat NSN 4820-01-149-9070.

  • MPN or Model

    SSN637-501-2143806 PIECE 2

  • Schedule B
    8481.90.9090 (Parts of taps, cocks, valves and similar appliances, nesoi)
  • NMF (National Motor Freight)
    051080 - Faucets, Bibcocks, Gates Valves
  • Criticality Code Justification
    Zzzy
  • Reference Number Differentiating Characteristics
    Quality control in accordance with navships 0948-045-7010 material identification and control instruction for level 1 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 4820011499070

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
SSN637-501-2143806 PIECE 2 Naval Ship Systems Command
77643-42X4 PIECE 2 Electric Boat Corporation
77643-42X4 PIECE 2L1 Naval Inventory Control Point
SSN637-501-2143806 PIECE 2L1 Naval Inventory Control Point
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