National Stock Number
5330-00-052-5479
National Stock Number (NSN) 5330-00-052-5479, or NIIN 000525479, (seal,plain encased) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). NIIN 000525479 was cancelled on December 15, 2017, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN replaces 2 stock numbers: 3830007931083, 5330009926865.
There are 5 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 4 suppliers. Today, 4 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 4 suppliers 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 5 years.
This NSN is assigned to Item Name Code (INC) 04214. [A PLIABLE RUBBER, FELT, LEATHER, OR COMPOSITION RING-SHAPED ELEMENT, SPLIT OR SOLID; WITH OR WITHOUT SPRING OR SPREADER, HAVING A METAL SHELL ON ALL OR A PORTION OF AT LEAST TWO OF THE OUTER SURFACES. IT MAY BE DESIGNED TO BE EITHER BOLT MOUNTED OR PRESSMOUNTED BETWEEN FIXED AND MOVEABLE PARTS TO FORM A TIGHT AND EFFECTIVE SEAL BY THE PRESSURE OF THE SPRING OR SPREADER OR THE RESILIENCY INHERENT IN THE ELEMENT MATERIAL. EXCLUDES:PACKING WITH RETAINER.]. 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 5330000525479 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.