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  • Part Name
    VALVE SEAT
  • Federal Supply Class
    Valves, Nonpowered
  • NIIN
    010914684
  • Part Number
    A1909, A1909, D-1994, D-1994 PIECE 13 1IN
  • National Stock Number
    4820-01-091-4684
  • Item Name Code
    22113
Specifications
  • STYLE DESIGNATOR
    PLAIN
  • BODY INSIDE DIAMETER
    1.000 INCHES NOMINAL
  • MATERIAL
    STEEL CORROSION RESISTING OVERALL
  • SEATING SURFACE SHAPE
    FLAT
Restrictions
  • Demilitarization Code
    Q

    Commerce Control List Items (CCLI) - MUT to the point of scrap required outside the United States. Inside the United States, MUT is required when the DEMIL Intergrity Code. (IC) '3' and MUT is not required when the DEMIL IS is '6'.

  • Criticality Code
    X

    Does not have a nuclear hardened feature or other critical feature such as tolerance, fit restriction or application.

  • Hazardous Material Code
    N

    There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.

  • Precious Metals Code (PMIC)
    U

    Precious Metal type is unknown.

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