National Stock Number
5330-01-643-0789
National Stock Number (NSN) 5330-01-643-0789, or NIIN 016430789, (packing assembly) was assigned March 19, 2015 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Mar 12, 2020. There have been 4 contracts issued for this part number, with 4 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 3 different suppliers. The last contract numbers awarded were: SPE5EN20F1193, SPE5EM18V8308, SPE5EM18V0723, SPE5EM18V0184. The total value of the awarded contracts has been US$ 142.56.
This NSN is unique to one weapons system.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Oct 03, 2017, this NSN's acquisition method was noted as: Acquire, for the first time, directly from the actual manufacturer rather than the prime contractor who is not the actual manufacturer. The data needed to produce this item from additional sources is not physically available. Valid AMCs: 3, 4 and 5.
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 5330016430789 does not contain precious metals.
This information was last updated on Jul 01, 2025.