National Stock Number (NSN) 5330-00-631-6649, or NIIN 006316649, (seal,plain) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 7 stock numbers. Five of the National Stock Numbers that it replaces are: 5331012984157, 5330011869316, 5330012689070, 5330002138921, 5330001788336.
There are 20 manufacturer part numbers associated with this NSN. 6 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 14 suppliers. Today, 12 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 7 suppliers are deemed design controlled or valid supply parts. ISO Group has a strong supply network for this NSN, with 22 sources of supply.
This part number has not been procured by the US Government in over a year. There have been 32 contracts issued for this part number, with 44 awards given. There is moderate competition for this NSN. The US Government has awarded contracts to 6 different suppliers. The last contract numbers awarded were: SPE7M424P1152, SPE7M424P1152, SPE7M424P1152, SPE7M423P2524, SPE7M423P1219. The total value of the awarded contracts has been US$ 1,073,129.23.
This NSN is very common among different weapons systems, belonging to 72 different platforms.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 850. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 2006, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.
This NSN is assigned to Item Name Code (INC) 04250. [A PLIABLE RUBBER OR COMPOSITION RING-SHAPED ELEMENT, SPLIT OR JOINTLESS (SOLID) NOT ENCASED IN A METAL SHELL, BUT HAVING A SPRING, SPREADER AND/OR MOLDED-IN REINFORCEMENT. IT IS DESIGNED TO BE PRESSMOUNTED BETWEEN FIXED AND MOVABLE OR MOVING PARTS TO FORM A TIGHT AND EFFECTIVE SEAL.]. 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 5330006316649 does not contain precious metals.
This NSN is associated to Schedule B 3926904500: gaskets,washers & other seals. The Schedule B End Use is listed as other industrial supplies. NAICS classification category 339991: gasket, packing, and sealing device manufacturing.
This information was last updated on Aug 01, 2025.