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About This Item

 

Document History

  1. SAE AS399B


    Direction Instrument, Magnetic (Stabilized Type) (Stabilized: Aug 2012)

    • Most Recent
  2. SAE AS 39901A


    Bearings, Roller, Needle, Airframe, Antifriction, Inch

    • Historical Version
  3. MIL MIL-B-3990D

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    BEARINGS, ROLLER, NEEDLE, AIRFRAME, ANTIFRICTION, INCH (SUPERSEDING MIL-B-3990C) (S/S BY SAE-AS39901)

    • Historical Version
  4. SAE AS 399A


    Direction Instrument, Magnetic, (Stabilized Type) ( Reaffirmed: Oct 1984 May 1991 Feb 2008 )

    • Historical Version
 

Amendments, rulings, supplements, and errata

  1. MIL MIL-B-3990D Notice 1 - Cancellation


    BEARINGS, ROLLER, NEEDLE, AIRFRAME, ANTIFRICTION, INCH (SUPERSEDING MIL-B-3990C) (S/S BY SAE-AS39901)

  2. MIL MIL-B-3990D Amendment 3


    BEARINGS, ROLLER, NEEDLE, AIRFRAME, ANTIFRICTION, INCH (SUPERSEDING MIL-B-3990C) (S/S BY SAE-AS39901)