National Stock Number
1620-00-264-0744
National Stock Number (NSN) 1620-00-264-0744, or NIIN 002640744, (cylinder and piston assembly,lan) was assigned July 13, 1973 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 2 stock numbers: 1620004120155, 1620009592043.
There are 3 manufacturer part numbers associated with this NSN. 2 of those 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, there are no suppliers that are 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 Jul 18, 1998, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 61579. [THE MAIN SHOCK ABSORPTION PORTION OF AN AIRCRAFT LANDING GEAR, CONSISTING OF THE MAIN CYLINDER AND PISTON AND OTHER ASSOCIATED PARTS. MAY BE WITH OR WITHOUT AXLE(S). EXCLUDES LANDING GEAR, FIXED AND LANDING GEAR, RETRACTABLE.]. 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 1620002640744 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.