National Stock Number
4820-01-140-0178
National Stock Number (NSN) 4820-01-140-0178, or NIIN 011400178, (disk stem ring) was assigned October 7, 1982 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN.
This part number is actively being procured by the US Government, with procurement history within the last 90 days. There have been 4 contracts issued for this part number, with 4 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 4 different suppliers. The last contract numbers awarded were: SPE7MC25V3055, SPE7MC25P1172, SPE7M914V8910, SPM7M212M4946. The total value of the awarded contracts has been US$ 11,940.40.
This NSN is fairly common among different weapons systems, belonging to 18 different platforms.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 2,818. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Aug 02, 2004, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.
This NSN is assigned to Item Name Code (INC) 77777. 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 4820011400178 does not contain precious metals.
This NSN is associated to Schedule B 8409100080: parts for spark-ignition or compression-ignition internal combustion piston engines for use in aircraft except civil. The Schedule B End Use is listed as engines and turbines for military aircraft. NAICS classification category 336412: aircraft engine and engine parts manufacturing.
This information was last updated on Apr 01, 2025.