National Stock Number
1620-01-143-1122
National Stock Number (NSN) 1620-01-143-1122, or NIIN 011431122, (trunnion strut,landing systems) was assigned November 26, 1982 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
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 Oct 08, 2000, this NSN's acquisition method was noted as: Suitable for competitive acquisition for the first time. (Potential sources shall include dealers/distributors.) The cost to the Government to breakout this part and acquire it competitively has been determined to exceed the projected savings over the life span of the part. 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 is a Flight Safety Critical Aircraft Part (FSCAP). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 1620011431122 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.