National Stock Number (NSN) 5330-01-121-8377, or NIIN 011218377, (seal,nonmetallic special shaped) was assigned November 10, 1981 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. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is 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 fairly common among different weapons systems, belonging to 17 different platforms.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 25, 2008, 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 annual buy value of this part falls below the screening threshold of $10,000 but it has been screened for known source(s). (NOTE: This code shall not be used when screening parts entering the inventory. It shall not be assigned in preference to or supersede any other AMSC.) Valid AMCs: 1, 2, 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 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 5330011218377 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.