National Stock Number
5340-00-919-3437
National Stock Number (NSN) 5340-00-919-3437, or NIIN 009193437, (cup,compression) was assigned January 1, 1960 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 3 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 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 somewhat common among different platforms, belonging to 4 different weapons systems.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 12, 2013, 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 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) 03435. [A NONMETALLIC CUP-SHAPED ITEM DESIGNED TO BE LOCATED WITHIN A CYLINDER, AND WHOSE CONTACT EDGE WITH THE CYLINDER WALLS IS USUALLY FEATHERED. THIS ITEM, BY MEANS OF EXTRUSION, MAKES CLOSE PHYSICAL CONTACT WITH THE CYLINDER WALLS IN ORDER TO PREVENT THE ESCAPE OF INTERNAL PRESSURE. THE ITEM MAY HAVE A CENTER HOLE AND/OR BOLT HOLES. EXCLUDES:CUP, HYDRAULIC BRAKE CYLINDER.]. 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 5340009193437 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.