National Stock Number (NSN) 5330-00-599-4986, or NIIN 005994986, (seal,plain encased) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 4 stock numbers: 5330012030047, 2520003117643, 2520003588929, 2530003588803.
There are 17 manufacturer part numbers associated with this NSN. 10 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 13 suppliers. Today, 7 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 5 suppliers are 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 07, 2013. There have been 3 contracts issued for this part number, with 3 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPM5EM13M2273, SPM5M412M0303, SPM5M411M1023. The total value of the awarded contracts has been US$ 3,757.70.
This NSN is somewhat common among different platforms, belonging to 3 different weapons systems.
There has been a small amount of 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 Mar 02, 2005, 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) 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 5330005994986 contains an unknown precious metal.
This NSN is associated to Schedule B 8484200000: mechanical seals. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 339991: gasket, packing, and sealing device manufacturing.
This information was last updated on Jun 01, 2025.