National Stock Number
1620-00-172-5978
National Stock Number (NSN) 1620-00-172-5978, or NIIN 001725978, (piston,landing gear strut) was assigned September 1, 1972 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 is actively being procured by the US Government, with procurement history within the last 90 days. There have been 69 contracts issued for this part number, with 169 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE4A525P5751, SPE4A625FAKAC, SPE4A625FABFM, SPE4A625FAQR2, SPE4A625FAG1Y. The total value of the awarded contracts has been US$ 81,546.47.
This NSN is somewhat common among different platforms, belonging to 3 different weapons systems.
There has been a small amount of 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 Jul 02, 2006, 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 Government does not have adequate data, lacks rights to data, or both, needed to purchase this part from additional sources. 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 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 1620001725978 does not contain precious metals.
This information was last updated on Jul 01, 2025.