NSN 1660-01-582-1801, 1660015821801
AFT DUCT ASSEMBLY

Federal Supply Classification: FSC 1660 - Aircraft Air Conditioning, Heating, and Pressurizing Equipment
National Item Identification Number: NIIN 015821801
Codification Country: United States
Item Name Code: INC 77777
Criticality: (X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code: (N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.

Availability: Readily Available Qualified Suppliers: Currently qualifying suppliers

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DLMS^® Summary

National Stock Number 1660-01-582-1801

National Stock Number (NSN) 1660-01-582-1801, or NIIN 015821801, (aft duct assembly) was assigned February 10, 2010 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 one supplier. Today, there are no suppliers listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are 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 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 1660015821801 does not contain precious metals.

This information was last updated on Aug 01, 2025.