National Stock Number
5340-01-128-9939
National Stock Number (NSN) 5340-01-128-9939, or NIIN 011289939, (disk,solid,plain) was assigned March 30, 1982 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years.
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 Sep 01, 2020, this NSN's acquisition method was noted as: Not established. Not established.
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.]. 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 5340011289939 does not contain precious metals.
This information was last updated on Aug 01, 2025.