National Stock Number
5640-01-218-2953
National Stock Number (NSN) 5640-01-218-2953, or NIIN 012182953, (sound controlling blanket) has an unknown assigned date. NIIN 012182953 was cancelled on October 2, 1995, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 5640012132352. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN.
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.]. 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 5640012182953 does not contain precious metals.
This information was last updated on Sep 01, 2024.