National Stock Number
5330-01-121-1728
National Stock Number (NSN) 5330-01-121-1728, or NIIN 011211728, (gasket,spiral wound) was assigned October 31, 1981 in the Federal Logistics Information System (FLIS). NIIN 011211728 was cancelled on June 2, 1997, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 5330013629808. This NSN replaces 1 stock number, 5330010858396.
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).]. 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 5330011211728 does not contain precious metals.
This information was last updated on Aug 01, 2025.