National Stock Number
2990-01-305-7971
National Stock Number (NSN) 2990-01-305-7971, or NIIN 013057971, (hanger,engine exhaust system) was assigned August 11, 1989 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. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. 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.
This NSN is very common among different weapons systems, belonging to 26 different platforms.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 26, 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) 36097. [A METAL OR COMBINATION METAL AND RUBBER DEVICE DESIGNED TO ABSORB SHOCK AND/OR SUSPEND, MUFFLERS, TAIL PIPES AND THE LIKE. MAY INCLUDE ITEMS SUCH AS U-BOLT(S), WASHERS, NUTS AND THE LIKE. EXCLUDES:STRAP, RETAINING; AND BRACKET (AS MODIFIED).]. 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 2990013057971 does not contain precious metals.
This NSN is associated to Schedule B 7323990000: table, kitchen or other household articles and parts nesoi, of iron (not cast) and steel (not stainless) not enameled. The Schedule B End Use is listed as cookware, cutlery, tools. NAICS classification category 332999: all other miscellaneous fabricated metal product manufacturing.
This information was last updated on Jul 01, 2025.