National Stock Number
1620-00-370-5021
National Stock Number (NSN) 1620-00-370-5021, or NIIN 003705021, (arm assembly,torque,landing gear) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 1620001804780.
There are 2 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, 3 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.
This NSN is assigned to Item Name Code (INC) 61573. [A LANDING GEAR COMPONENT CONSISTING OF AN ARM AND BUSHING. DESIGNED TO CONNECT THE INNER AND OUTER CYLINDER OF AN AIRCRAFT LANDING GEAR AND RETAIN THE WHEEL IN AN ALIGNMENT.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 1620003705021 does not contain precious metals.
This NSN is associated to Schedule B 8803200060: undercarriages and parts thereof, for use in military aircraft. The Schedule B End Use is listed as parts for military-type goods. NAICS classification category 336413: other aircraft parts and auxiliary equipment manufacturing.
This information was last updated on Jul 01, 2025.