National Stock Number
5340-01-122-9640
National Stock Number (NSN) 5340-01-122-9640, or NIIN 011229640, (disk,solid,plain) was assigned December 3, 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 3 manufacturer part numbers associated with this NSN. 2 of those 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 2 different weapons systems.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. 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) 16584. [A CIRCULAR ITEM WITH TWO PARALLEL BEARING SURFACES WITHOUT HOLE(S) OR GROOVE(S). IT HAS AN OUTSIDE DIAMETER GREATER THAN ITS LENGTH, AND MAY BE FABRIC REINFORCED. DO NOT USE IF A MORE SPECIFIC ITEM NAME APPLIES. FOR ITEMS PRIMARILY DESIGNED TO RUPTURE AT A PREDETERMINED PRESSURE, SEE DISK, RUPTURABLE. FOR ITEMS MADE OF FELT, SEE FELT, MECHANICAL, PREFORMED. FOR METALLIC OR PLASTIC ITEMS WITH A LAMINATED CROSS SECTION, SEE SHIM. EXCLUDES DIAPHRAGM, VALVE, FLAT; DIAPHRAGM, VALVE, SPECIAL SHAPED; DISK, VALVE, NONMETALLIC; FILTERING DISK FLUID; AND INSULATOR, DISK.]. 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 5340011229640 does not contain precious metals.
This information was last updated on Aug 01, 2025.