National Stock Number (NSN) 5330-01-178-5846, or NIIN 011785846, (tape,cloth,metal seam sealing) was assigned May 7, 1984 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 3 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over a year. There have been 166 contracts issued for this part number, with 111 awards given. There is moderate competition for this NSN. The US Government has awarded contracts to 7 different suppliers. The last contract numbers awarded were: SPE7M125P1116, SPE7M425P0443, SPE7M424P3960, SPE7M424P3960, SPE7M424P2563. The total value of the awarded contracts has been US$ 253,875.03.
This NSN is somewhat common among different platforms, belonging to 8 different weapons systems.
This national stock number is in high demand. 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 Apr 02, 2006, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.
This NSN is assigned to Item Name Code (INC) 19421. [A NARROW STRIP OF CLOTH IMPREGNATED WITH AN ADHESIVE SEALING COMPOUND USED PARTICULARLY FOR SEALING AGAINST PRESSURE, SUCH AS PRESSURIZED CABINS, RIVETED FUEL TANKS OR OTHER LIQUID CONTAINERS. IT IS SUITABLE NOT ONLY AS A SEALER BUT ALSO AS A DISSIMILAR METAL INSULATOR FOR THE PREVENTION OF ELECTROLYSIS CAUSING GALVANIC CORROSION. THE ADHESIVE COMPOUND MAY BE COVERED WITH CLOTH OR FABRIC, SUCH AS BUCKRAM INTERLEAF, TO PREVENT STICKING IN THE ROLL AND IS DISCARDED IN USE. EXCLUDES:TAPE, INSULATION, ELECTRICAL; TAPE, JOINT, WALLBOARD; TAPE, GUMMED; TAPE, ADHESIVE, RUBBER; AND STRIP, COATED CLOTH.]. 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 5330011785846 does not contain precious metals.
This NSN is associated to Schedule B 8487900040: oil seals, other than those of chapter 40, machinery parts not containing electrical features. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 339991: gasket, packing, and sealing device manufacturing.
This information was last updated on Aug 01, 2025.