National Stock Number (NSN) 5330-00-186-4939, or NIIN 001864939, (gasket) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 2 stock numbers: 5330004874734, 3830008605275.
There are 7 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 3 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, there are no suppliers that 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 15 contracts issued for this part number, with 15 awards given. There is moderate competition for this NSN. The US Government has awarded contracts to 6 different suppliers. The last contract numbers awarded were: SPE7L324P0935, SPE7L323V3827, SPE7L323V3827, SPE7L323F4055, SPE7L323F0656. The total value of the awarded contracts has been US$ 34,675.85.
This NSN is very common among different weapons systems, belonging to 31 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 Aug 08, 2008, 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) 04522. [A DEFORMABLE MATERIAL WHICH PREVENTS THE PASSAGE OF MATTER THROUGH THE JOINT FORMED WHEN TWO FACES ARE JOINED. IT MAY BE METALLIC OR NONMETALLIC, LUBRICATED OR IMPREGNATED, SOLID OR HOLLOW CROSS SECTION. IT MAY BE MADE TO ANY PREDETERMINED DIMENSION AND SHAPE. EXCLUDES:FLAT DISKS, ITEMS MADE OF FELT MATERIAL AND ITEMS HAVING JOINTS. FOR ROUND METAL AND PLASTIC ITEMS WITH AN APERTURE AND A SOLID RECTANGULAR CROSS SECTION, SEE WASHER, FLAT; SHIM; BEARING, WASHER, THRUST; AND SPACER RING. EXCLUDES:DISK, VALVE; SEAL, NONMETALLIC ANGLE; SEAL, NONMETALLIC CHANNEL; SEAL, NONMETALLIC SPECIAL SHAPED SECTION; SHIELDING GASKET, ELECTRONIC; AND RING, SEALING JAR.]. 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 5330001864939 contains an unknown precious metal.
This NSN is associated to Schedule B 4205005000: other articles of leather or composition leather, nesoi. The Schedule B End Use is listed as other consumer nondurables.
This information was last updated on Aug 01, 2025.