National Stock Number
1620-01-249-1749
National Stock Number (NSN) 1620-01-249-1749, or NIIN 012491749, (trunnion strut,landing systems) was assigned February 6, 1987 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 3 stock numbers: 1620005907295, 1620010133278, 1620001051579.
There are 5 manufacturer part numbers associated with this NSN. 4 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is 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 Nov 01, 2020, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The data or the rights to use the data needed to purchase this part from additional sources are not owned by the Government and it has been determined that it is uneconomical to purchase them. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 39186. [A MACHINED CASTING USED TO ANCHOR VARIOUS AIRCRAFT SYSTEMS TO WITHSTAND IMPACT WITH LANDING SURFACES. IT IS USED ON SUCH SYSTEMS AS LANDING GEAR, ARRESTING GEAR, NOSE WHEEL STEERING, AND THE LIKE, BUT IS SO CONSTRUCTED THAT IT MAY PIVOT FORWARD AND BACKWARD.]. 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 1620012491749 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.