National Stock Number
2240-00-417-2254
National Stock Number (NSN) 2240-00-417-2254, or NIIN 004172254, (key,railway car brake shoe) was assigned January 1, 1963 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 3 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers 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 Mar 11, 2014, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part is a commercial/non-developmental/off-the-shelf-item. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 04420. [A WEDGELIKE DEVICE BY MEANS OF WHICH A BRAKE SHOE IS FASTENED TO A BRAKE HEAD. IT IS INSERTED THROUGH A KEYWAY IN THE FACE OF THE BRAKE HEAD AND THE LUG ON THE BRAKE SHOE.]. 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 2240004172254 contains an unknown precious metal.
This NSN is associated to Schedule B 8607211000: air brakes and parts thereof for railway or tramway vehicles of heading 8605 or 8606. The Schedule B End Use is listed as railway transportation equipment. NAICS classification category 336510: railroad rolling stock manufacturing.
This information was last updated on Jul 01, 2025.