National Stock Number
2520-01-221-8633
National Stock Number (NSN) 2520-01-221-8633, or NIIN 012218633, (transmission,hydraulic,vehicular) was assigned December 4, 1985 in the Federal Logistics Information System (FLIS). NIIN 012218633 was cancelled on December 12, 2019, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN replaces 1 stock number, 2520011674324.
There are 3 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. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Oct 06, 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. 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) 52064. [A DEVICE USED ON VEHICULAR POWER TRANSMISSION COMPONENTS TO INCREASE TORQUE AND/OR CHANGE RATIOS BETWEEN THE DRIVE AND DRIVEN SHAFT OR SHAFTS BY THE MEDIUM OF LIQUID UNDER PRESSURE WITHIN THE UNIT. IT MAY INCLUDE A MANUAL MEANS FOR REVERSING ROTATION AND CHANGING SPEED RANGES. EXCLUDES TRANSMISSION, CROSS-DRIVE; AND TRANSMISSIONS WITH CONTROLLED DIFFERENTIALS.]. 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 2520012218633 does not contain precious metals.
This information was last updated on Jul 01, 2025.