National Stock Number
5340-01-333-8374
National Stock Number (NSN) 5340-01-333-8374, or NIIN 013338374, (cap,protective,dust and moisture) was assigned February 9, 1991 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 3 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, 3 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 Dec 13, 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 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) 13432. [AN ITEM SPECIFICALLY DESIGNED TO FIT OVER THE OPENING(S) OF VARIOUS ITEMS TO PROVIDE MECHANICAL PROTECTION AND/OR TO PREVENT THE ENTRANCE OF FOREIGN MATTER DURING PAINTING, SHIPPING, STORAGE, OR THE LIKE. IT IS NOT DESIGNED TO RETAIN FLUIDS UNDER PRESSURE DURING EQUIPMENT OPERATION. EXCLUDES COVER, ELECTRICAL CONNECTOR; HOOD, SEALING, BOTTLE; AND STOPPER, BOTTLE. FOR ITEMS DESIGNED TO FIT INTO OR OVER THE OPENING(S) OF VARIOUS ITEMS, SEE CAP-PLUG, PROTECTIVE, DUST AND MOISTURE SEAL.]. 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 5340013338374 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.