National Stock Number (NSN) 4320-00-322-1511, or NIIN 003221511, (pad,hanger trunion) was assigned November 21, 1973 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 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.
This part number has not been procured by the US Government in over a year. There have been 11 contracts issued for this part number, with 13 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: SPE4A624F099F, SPE4A523F8222, SPE4A523F8222, SPE4A523F2997, SPE4A523F2997. The total value of the awarded contracts has been US$ 39,617.05.
This NSN is somewhat common among different platforms, belonging to 3 different weapons systems.
There has been a small amount of 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 Mar 22, 2017, 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) 77777. 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 4320003221511 does not contain precious metals.
This NSN is associated to Schedule B 8466920080: other parts for machine tools for working wood, cork, bone, hard rubber, hard plastics or similar hard materials. The Schedule B End Use is listed as wood, glass, plastic. NAICS classification category 333999: all other miscellaneous general purpose machinery manufacturing.
This information was last updated on Aug 01, 2025.