National Stock Number
2990-01-663-4317
National Stock Number (NSN) 2990-01-663-4317, or NIIN 016634317, (flange,exhaust pipe) was assigned May 9, 2017 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 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 a year. There have been 3 contracts issued for this part number, with 3 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE7L523V0011, SPE7L522V2954, SPE7L522V2612, SPE7L522V2612. The total value of the awarded contracts has been US$ 825.12.
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 Feb 21, 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 is a commercial/non-developmental/off-the-shelf-item. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 32807. [AN ITEM WITH A THREADED OR UNTHREADED HOLE SPECIFICALLY DESIGNED FOR USE WITH AN EXHAUST PIPE, EXHAUST PIPE CONNECTOR, COMPANION FLANGE OR THE LIKE IN AN ENGINE OR HEATER EXHAUST SYSTEM. THE FACE OF THE FLANGE IS NORMALLY DRILLED FOR CONNECTING BOLTS AND/OR STUDS.]. 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 2990016634317 does not contain precious metals.
This NSN is associated to Schedule B 8708925000: mufflers and exhaust pipes for vehicles, nesoi. The Schedule B End Use is listed as other parts and accessories of vehicles.
This information was last updated on Jul 01, 2025.