National Stock Number
1620-01-054-6407
National Stock Number (NSN) 1620-01-054-6407, or NIIN 010546407, (pin,metering,landing gear) was assigned January 23, 1978 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 9 suppliers. Today, 7 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers are 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 a year. There have been 10 contracts issued for this part number, with 19 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE4A724F9343, SPE4A724F9343, SPE4A722P4601, SPE4A719PB487, SPE4A719PB367. The total value of the awarded contracts has been US$ 116,700.26.
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 Sep 19, 2008, 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) 42199. [A PIN, TAPERED (AS MODIFIED) MOUNTED TO THE PISTON USED TO CONTROL BUT NEVER SHUT OFF THE FLOW OF FLUID THROUGH AN ORIFICE IN THE SHOCK STRUT OF AIRCRAFT LANDING GEAR.]. This item does not have a nuclear hardened feature but does have other critical feature(s) 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 1620010546407 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.