National Stock Number
2640-00-255-9989
National Stock Number (NSN) 2640-00-255-9989, or NIIN 002559989, (cap,pneumatic valve) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 1660005121780.
There are 3 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 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) 05414. [A PNEUMATIC FITTING PRIMARILY DESIGNED TO FASTEN ON OR INTO ANOTHER PNEUMATIC FITTING TO PREVENT THE ENTRANCE OF FOREIGN MATTER INTO THE VALVE STEM. IT MAY INCORPORATE FEATURES FOR SEALING, DEPRESSING, OR REMOVAL OF THE VALVE CORE. IT MAY BE THREADED ON ONE OR BOTH ENDS. EXCLUDES:CAP, PROTECTIVE, DUST AND MOISTURE SEAL.]. 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 2640002559989 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 Jul 01, 2025.