National Stock Number
2640-01-454-4523
National Stock Number (NSN) 2640-01-454-4523, or NIIN 014544523, (valve core) was assigned March 31, 1998 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, only one supplier is 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 assigned to Item Name Code (INC) 23210. [A CYLINDRICAL, SPRING LOADED SELF-SEALING UNIT DESIGNED TO BE (1) FITTED INTO THE VALVE STEM OF A PNEUMATIC TIRE OR INNER TUBE OR OTHER INFLATABLE ITEM TO RETAIN INFLATION OR (2) FITTED INTO HYDRAULIC, PNEUMATIC OR OXYGEN EQUIPMENT AND THE LIKE TO PERMIT PRESSURE CHARGING. EXCLUDES:VALVE CORE, HAND PUMP, DRAINAGE AND SUCTION APPARATUS.]. 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 2640014544523 does not contain precious metals.
This NSN is associated to Schedule B 8481909090: parts of taps, cocks, valves and similar appliances, nesoi. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 332911: industrial valve manufacturing.
This information was last updated on Aug 01, 2025.