National Stock Number
5640-01-457-2344
National Stock Number (NSN) 5640-01-457-2344, or NIIN 014572344, (sound controlling blanket) was assigned July 17, 1998 in the Federal Logistics Information System (FLIS). NIIN 014572344 was cancelled on December 15, 2017, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers 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, one supplier is 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.
This NSN is assigned to Item Name Code (INC) 20230. [A MATERIAL COMPOSED OF ONE OR MORE KINDS OF FIBER, WITH OR WITHOUT BINDER ADDED, REINFORCED ON ONE OR BOTH SIDES WITH VARIOUS CONFINING MEDIA SUITABLY BOUND THERETO. IT IS DESIGNED TO ENTRAP AND DISSIPATE SOUND ENERGY, AND MUST BE RATED FOR THIS USE. SEE ALSO INSULATION BLANKET, CABIN, AIRCRAFT.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 5640014572344 does not contain precious metals.
This information was last updated on Jul 01, 2025.