National Stock Number
5330-01-121-5553
National Stock Number (NSN) 5330-01-121-5553, or NIIN 011215553, (gasket,spiral wound) was assigned November 6, 1981 in the Federal Logistics Information System (FLIS). NIIN 011215553 was cancelled on March 2, 2001, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 5330014783395. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN.
This part number has not been procured by the US Government in over 5 years.
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 critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). Information is in the Hazardous Materials Information Resource System (HMIRS). NSN 5330011215553 does not contain precious metals.
This information was last updated on Aug 01, 2025.