National Stock Number
3020-01-177-3055
National Stock Number (NSN) 3020-01-177-3055, or NIIN 011773055, (gear set,spur,matched) was assigned April 23, 1984 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 3 suppliers. Today, 2 suppliers are listed as Active suppliers 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.
This NSN is unique to one weapons system.
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 Dec 05, 2013, 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 data needed to produce this item from additional sources is not physically available. Valid AMCs: 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 21971. [A GROUPING OF TWO OR MORE OR ANY COMBINATION OF GEAR, SPUR; GEARSHAFT, SPUR AND/OR GEAR CLUSTER, SPUR WHICH HAVE BEEN MATCHED TOGETHER FOR A GIVEN CHARACTERISTIC WITHIN A SPECIFIED TOLERANCE. INCLUDES ONLY THOSE GEARS DESIGNED AND TESTED TO ACCOMPLISH A SPECIFICALLY DESIGNED FUNCTION.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 3020011773055 does not contain precious metals.
This NSN is associated to Schedule B 8483409000: gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 333612: speed changer, industrial high-speed drive, and gear manufacturing.
This information was last updated on Jul 01, 2025.