National Stock Number
4940-00-264-4012
National Stock Number (NSN) 4940-00-264-4012, or NIIN 002644012, (tester,air brake) was assigned January 1, 1960 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 3 manufacturer part numbers associated with this NSN. 2 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jul 09, 2006, this NSN's acquisition method was noted as: Suitable for competitive acquisition for the first time. (Potential sources shall include dealers/distributors.) The data or the rights to use the data needed to purchase this part from additional sources are not owned by the Government and it has been determined that it is uneconomical to purchase them. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 05297. [A MECHANICAL DEVICE, CONSISTING OF A DIAL GAGE, A VALVE, AND TWO COUPLINGS WHICH ARE CONNECTED IN THE BRAKE AIR LINE OF A SINGLE CAR, FOR THE PURPOSE OF CHECKING THE CONDITION OF THE BRAKE EQUIPMENT.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4940002644012 contains an unknown precious metal.
This NSN is associated to Schedule B 8608000000: railway track fixtures; mechanical signaling, safety or traffic control equip for railways, roads, inland waterways, airfield, ports; and parts. The Schedule B End Use is listed as railway transportation equipment. NAICS classification category 334290: other communications equipment manufacturing.
This information was last updated on Jul 01, 2025.