National Stock Number
5330-01-666-5947
National Stock Number (NSN) 5330-01-666-5947, or NIIN 016665947, (gasket,spiral wound) was assigned September 13, 2017 in the Federal Logistics Information System (FLIS). NIIN 016665947 was cancelled on February 2, 2018, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 5330016666515. 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 Nov 08, 2017. There has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE5EJ18V1003. The total value of the awarded contracts has been US$ 943.15.
This NSN is unique to one weapons system.
This NSN is assigned to Item Name Code (INC) 37840. [A CIRCULAR OR MODERATELY NONCIRCULAR SHAPED ITEM WITH AN APERTURE. IT IS CONSTRUCTED OF SPRING-LIKE METAL STRIPS, PREFORMED INTO A VEE SHAPE, LAMINATED WITH A SOFT FILLER. IT IS DESIGNED TO SEAL BETWEEN TWO NONDEFORMING SURFACES. IT MAY HAVE AN INNER AND/OR OUTER, SOLID OR SPIRAL WOUND COMPRESSION RING(S).]. 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 5330016665947 does not contain precious metals.
This information was last updated on Jul 01, 2025.