National Stock Number
2530-01-688-0901
National Stock Number (NSN) 2530-01-688-0901, or NIIN 016880901, (piston assembly,spring brake act) was assigned May 4, 2020 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 6 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that 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 May 05, 2020, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The Government does not have adequate data, lacks rights to data, or both, needed to purchase this part from additional sources. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 49818. [AN AIR PRESSURE ACTIVATED ITEM IN A ACTUATOR, SPRING BRAKE HOUSING, ASSISTING WITH PARKING AND/OR EMERGENCY BRAKING. IT MAY INCLUDE A TUBE OR THREADED ROD, INSERT(S), WASHER(S), AND THE LIKE.]. The item is a non-aviation Critical Safety Item (CSI) whose failure will result in serious damage to equipment or serious injury or death to personnel. 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 2530016880901 does not contain precious metals.
This NSN is associated to Schedule B 8607295000: brakes and parts thereof for railway or tramway vehicles (excludes vehicles of heading 8605 or 8606), nesoi. 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.