National Stock Number
1338-01-189-1243
National Stock Number (NSN) 1420-01-189-1243, or NIIN 011891243, (nozzle,exhaust,rocket motor) was assigned September 11, 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 3 manufacturer part numbers associated with this NSN. One 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, 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jun 14, 2019, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 22411. [AN ITEM DESIGNED WITH A CONSTRICTING THROAT SECTION AND A DIVERGENT SECTION. THE CONSTRICTING THROAT SECTION COMPRESSES THE PROPELLANT GASES AND MAINTAINS THE PRESSURE WITHIN THE THRUST CHAMBER OF THE ROCKET MOTOR BY LIMITING THE FLOW OF GASES. THE DIVERGENT SECTION CONTROLS THE EXPANSION OF THE GASES CAUSING INCREASED THRUST.]. This item is specifically designed to be or selected as being nuclear hard (ie. it will continue to perform its designed function in an environment created by a nuclear explosion). This item does not have any other critical features. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 1420011891243 does not contain precious metals.
This NSN is associated to Schedule B 9306900060: parts for guided missiles. The Schedule B End Use is listed as tanks, artillery, missiles, rockets, guns and ammunition. NAICS classification category 332992: small arms ammunition manufacturing.
This information was last updated on Jul 01, 2025.