National Stock Number
1377-01-256-1971
National Stock Number (NSN) 1377-01-256-1971, or NIIN 012561971, (rocket motor) was assigned June 3, 1987 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. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 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 5 years.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Mar 30, 2018, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. 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) 21790. [A NONAIRBREATHING REACTION PROPULSION DEVICE THAT CONSISTS ESSENTIALLY OF A THRUST CHAMBER AND EXHAUST NOZZLE, AND THAT CARRIES ITS OWN SOLID OXIDIZER-FUEL COMBINATION FROM WHICH HOT GASES ARE GENERATED BY COMBUSTION AND EXPANDED THROUGH A NOZZLE. SEE ALSO ROCKET MOTOR CLUSTER.]. This item does not have a nuclear hardened feature but does have other critical feature(s) such as tolerance, fit restriction or application. Information is in the Hazardous Materials Information Resource System (HMIRS). NSN 1377012561971 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 Apr 01, 2025.