National Stock Number
5330-01-557-1178
National Stock Number (NSN) 5330-01-557-1178, or NIIN 015571178, (gasket) was assigned October 12, 2007 in the Federal Logistics Information System (FLIS). NIIN 015571178 was cancelled on June 2, 2012, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 5330008994509. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Apr 16, 2012. There have been 4 contracts issued for this part number, with 4 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: SPM5EM12V0211, SPM5M111V0796, SPM5M111V0682, SPM5M410M2607. The total value of the awarded contracts has been US$ 360.43.
This NSN is unique to one weapons system.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries.
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 5330015571178 does not contain precious metals.
This information was last updated on Aug 01, 2025.