National Stock Number
5330-00-285-6837
National Stock Number (NSN) 5330-00-285-6837, or NIIN 002856837, (seal,plain encased) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 5330001790991.
There are 13 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, 8 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 7 suppliers are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
This NSN is unique to one weapons system.
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) 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 5330002856837 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 Jul 01, 2025.