National Stock Number
2640-00-060-3543
National Stock Number (NSN) 2640-00-060-3543, or NIIN 000603543, (valve core) was assigned June 15, 1967 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 7 manufacturer part numbers associated with this NSN. 5 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 6 suppliers. Today, 5 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over a year. There has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE7L722P0932. The total value of the awarded contracts has been US$ 216.00.
This NSN is unique to one weapons system.
There has been a small amount of demand for this national stock number. Globally, demand for this NSN has originated from 7 countries. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 690. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Feb 21, 2019, this NSN's acquisition method was noted as: Not established. Not established.
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 2640000603543 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.