National Stock Number
5640-01-399-1926
National Stock Number (NSN) 5640-01-399-1926, or NIIN 013991926, (panel,ceiling) was assigned November 18, 1994 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, there are no suppliers listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Nov 19, 1994, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 37443. [A FLAT RIGID OR SEMI-RIGID ITEM, SQUARE OR RECTANGULAR IN SHAPE, USED TO FORM THE OVERHEAD INSIDE LINING OF A ROOM. THE ITEM MAY BE RATED FOR THERMAL INSULATION VALUE AND/OR SOUND CONTROL AND MAY HAVE VARIOUS SURFACE PATTERNS. FOR ITEMS DESIGNED SPECIFICALLY FOR INSULATION OR SOUND CONTROL SEE INSULATION BLOCK, THERMAL OR INSULATION BOARD, THERMAL AND SOUND CONTROLLING BLOCK OR SOUND CONTROLLING BOARD. EXCLUDES:PANEL, STRUCTURAL.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. Information is in the Hazardous Materials Information Resource System (HMIRS). NSN 5640013991926 does not contain precious metals.
This information was last updated on Aug 01, 2025.