National Stock Number (NSN) 5999-00-421-6049, or NIIN 004216049, (shielding gasket,electronic) was assigned December 9, 1970 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 2 stock numbers: 5999011333742, 5999009388984.
There are 12 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 8 suppliers. Today, 8 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 6 suppliers are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Nov 03, 2015. There have been 3 contracts issued for this part number, with 3 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE7MC16V1137, SPE7MC16V1137, SPM7M913V0933, SPM7MC10V1553. The total value of the awarded contracts has been US$ 862.44.
This NSN is very common among different weapons systems, belonging to 28 different platforms.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on May 23, 2008, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The data or the rights to use the data needed to purchase this part from additional sources are not owned by the Government and it has been determined that it is uneconomical to purchase them. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 20281. [A SHAPED METALLIC ITEM DESIGNED TO INCREASE THE EFFECTIVENESS OF RADIO FREQUENCY/ELECTROMAGNETIC INTERFERENCE, OR A NONMETALLIC ITEM CONTAINING A WIRE MESH, METAL, OR OTHER ELECTRICALLY CONDUCTIVE PARTICLES DESIGNED TO PROVIDE ENVIRONMENTAL SEALING AND RADIO FREQUENCY/ELECTROMAGNETIC INTERFERENCE SHIELDING. FOR BULK ITEMS SEE WIRE MESH, KNITTED OR GASKETING MATERIAL, CONDUCTIVE.]. 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 5999004216049 does not contain precious metals.
This NSN is associated to Schedule B 8543909000: electrical machines and apparatus parts, nesoi. The Schedule B End Use is listed as electric apparatus. NAICS classification category 335999: all other miscellaneous electrical equipment and component manufacturing.
This information was last updated on Aug 01, 2025.