National Stock Number
2990-00-124-5890
National Stock Number (NSN) 2990-00-124-5890, or NIIN 001245890, (cap assembly,protective,muffler-) was assigned November 8, 1968 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 3830002236475.
There are 3 manufacturer part numbers associated with this NSN. 3 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. 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.
This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.
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 Sep 20, 2008, 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 annual buy value of this part falls below the screening threshold of $10,000 but it has been screened for known source(s). (NOTE: This code shall not be used when screening parts entering the inventory. It shall not be assigned in preference to or supersede any other AMSC.) Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 61446. [AN ITEM DESIGNED TO FIT OVER THE OPENING OF AN ENGINE EXHAUST PIPE OR MUFFLER TO PREVENT THE ENTRANCE OF RAIN OR FOREIGN MATTER INTO THE MANIFOLD SECTION OF A RECIPROCATING ENGINE WHILE NOT IN USE. IT IS AUTOMATICALLY OPENED WHEN THE ENGINE IS STARTED BY PRESSURE EXERTED FROM THE EXHAUST SYSTEM. IT IS EQUIPPED WITH A HINGING ACTION AND MAY OR MAY NOT HAVE A COUNTER WEIGHT. EXCLUDES CAP, PROTECTIVE, DUST AND MOISTURE SEAL.]. 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 2990001245890 contains an unknown precious metal.
This NSN is associated to Schedule B 8412909080: parts of engines and motors, nesoi. The Schedule B End Use is listed as industrial engines. NAICS classification category 333111: farm machinery and equipment manufacturing.
This information was last updated on May 01, 2024.