National Stock Number
5330-00-001-8257
National Stock Number (NSN) 5330-00-001-8257, or NIIN 000018257, (seal,nonmetallic round section) was assigned September 27, 1972 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that 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 Sep 21, 2011, this NSN's acquisition method was noted as: Acquire only from the prime contractor although the engineering data identifies the Commercial and Government Entity Code (CAGE) and part number of a source other than the prime contractor. The data or the rights to use the data needed to purchase this part from additional sources are not owned by the Government and it has been determined that it is uneconomical to purchase them. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 36873. [AN ITEM FABRICATED FROM NONMETALLIC MATERIAL DESIGNED TO BE USED WHERE THERE IS NO RELATIVE MOTION BETWEEN JOINED PARTS. ITEMS WITH A SOLID CROSS SECTION MUST BE A SINGLE PIECE WHOSE ENDS MAY HAVE BEEN SECURED TOGETHER TO FORM A SPECIFIC SHAPE. IT MAY BE FORMED TO SPECIFIC SHAPE WITH OR WITHOUT JOINTS. IT MAY BE A STRAIGHT ITEM OF A SPECIFIC LENGTH WITH END CUTS OR JOINTS. IT MAY HAVE A SOLID OR TUBULAR CROSS SECTION. EXCEPT FOR MOLDED CORNERS, END CUTS, AND MOUNTING FACILITIES SUCH AS MOUNTING HOLES, SLOTS, PRESS-FIT BUTTONS, OR THE LIKE, THE ITEM MUST BE OF ONE CONTINUOUS ROUND CROSS SECTION. IT MAY HAVE FABRIC, CORD OR METAL REINFORCEMENT. FOR STRAIGHT ITEMS WITH SQUARE END CUTS AND WITHOUT MOUNTING HOLES, SLOTS OR PRESS-FIT BUTTONS SEE RUBBER ROUND SECTION AND TUBING, NONMETALLIC. EXCLUDES:GASKET AND PACKING, PREFORMED.]. 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 5330000018257 contains an unknown precious metal.
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.