National Stock Number
1620-00-438-4148
National Stock Number (NSN) 1620-00-438-4148, or NIIN 004384148, (steering unit,aircraft nosewheel) was assigned September 20, 1972 in the Federal Logistics Information System (FLIS). NIIN 004384148 was cancelled on December 15, 2017, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN replaces 2 stock numbers: 1620009440432, 1620009079851.
There is only one manufacturer part number 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, 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 21, 2020, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 50664. [AN UNITIZED ASSEMBLY WHICH CONTROLS NOSEWHEEL DIRECTION DURING GROUND OPERATION. TORSIONAL FORCE IS PRODUCED FROM EXTERNALLY SUPPLIED HIGH PRESSURE HYDRAULIC FLUID. COMPONENT PARTS MAY INCLUDE ACTUATORS, GEAR SETS, PISTONS, ROTORS, SENSORS, SERVOVALVE ASSEMBLIES, SHAFTS, SOLENOID VALVES, AND THE LIKE. THE ASSEMBLY MAY ALSO ACCOMPLISH A SHIMMY DAMPING FUNCTION.]. 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 1620004384148 does not contain precious metals.
This information was last updated on Apr 01, 2024.