National Stock Number
5330-00-355-2557
National Stock Number (NSN) 5330-00-355-2557, or NIIN 003552557, (packing assembly) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 2 stock numbers: 3895003310021, 5330006960242.
There are 4 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 5 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Mar 02, 2005, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 07961. [ANY COMBINATION OF ITEMS MANUFACTURED FROM PACKING MATERIAL TO PREDETERMINED DIMENSIONS, OR ANY COMBINATION OF NONMETALLIC MOLDED OR FORMED SHAPES (OTHER THAN SOLID RUBBER OR SYNTHETIC RUBBER RINGS HAVING A SQUARE OR RECTANGULAR CROSS SECTION) SPECIFICALLY DESIGNED AND MANUFACTURED FOR USE AS A SEAL. THE ASSEMBLY MAY INCLUDE METAL LANTERN RINGS, METAL SEPARATORS, AND/OR END OR ADAPTER RINGS.]. 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 5330003552557 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.