National Stock Number
1620-01-557-4940
National Stock Number (NSN) 1620-01-557-4940, or NIIN 015574940, (piston,landing gear strut) was assigned October 24, 2007 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to 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 Feb 28, 2008, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The rights to use the data needed to purchase this part from additional sources are not owned by the Government and cannot be purchased. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 50709. [A CYLINDER, CLOSED AT THE LOWER END, WHICH TELESCOPES WITHIN AN OUTER SHOCK STRUT CYLINDER ASSEMBLY. IT MAY CONTAIN AN INTEGRAL METERING PIN OR HYDRAULIC DAMPING DEVICE TO CONTROL THE RATE OF COMPRESSION AND EXTENSION TRAVEL. A WHEEL AXLE, PIVOT FORK, OR PROVISIONS FOR THE MOUNTING OF TORQUE ARMS AND TOWING EYES MAY BE INCLUDED.]. 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 1620015574940 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 Aug 01, 2025.