National Stock Number (NSN) 5330-01-373-1681, or NIIN 013731681, (seal,nonmetallic special shaped) was assigned March 30, 1993 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 6 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 3 suppliers are listed as Active suppliers 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 somewhat common among different platforms, belonging to 2 different weapons systems.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Sep 30, 2011, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is 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) 32847. [AN ITEM FABRICATED FROM NONMETALLIC SPECIAL SHAPED SECTION. IT MAY BE (1) FORMED TO A SPECIFIC SHAPE WITH OR WITHOUT JOINTS, (2) A SINGLE PIECE WHOSE ENDS HAVE BEEN SECURED TOGETHER TO FORM A SPECIFIC SHAPE, OR (3) A STRAIGHT ITEM FABRICATED TO A SPECIFIC LENGTH FOR A SPECIFIC APPLICATION WITH END CUTS OR JOINTS. ITEMS, EXCEPT FOR MOLDED CORNERS, SLOT(S), PRESS FIT BUTTONS, AND THE LIKE MUST BE OF ONE CONTINUOUS CROSS SECTION. IT IS SPECIFICALLY DESIGNED FOR USE IN APPLICATIONS WHERE THERE IS NO RELATIVE MOTION BETWEEN JOINED PARTS. EXCLUDES:BUSHING, NONMETALLIC; PACKING, PERFORMED; PAD, CUSHIONING;AND SEAL, PLAIN. FOR STRAIGHT ITEMS WITH SQUARE END CUTS AND WITHOUT MOUNTING HOLE(S), SLOT(S), OR PRESS FIT BUTTONS, SEE NONMETALLIC SPECIAL SHAPED SECTION.]. This item does not have a nuclear hardened feature but does have other critical feature(s) 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 5330013731681 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.