National Stock Number
5340-01-005-6331
National Stock Number (NSN) 5340-01-005-6331, or NIIN 010056331, (disk,solid,plain) was assigned June 30, 1975 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 1991, 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 5340010056331 does not contain precious metals.
This information was last updated on Aug 01, 2025.