NSN 2840-01-321-1689, 2840013211689
RING,RETAINING SEGMENT,TURBINE E

Federal Supply Classification: FSC 2840 - Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
National Item Identification Number: NIIN 013211689
Codification Country: United States
Item Name Code: INC 77777
Criticality: (Y) This item does not have a nuclear hardened feature but does have other critical feature(s) 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 2840-01-321-1689

National Stock Number (NSN) 2840-01-321-1689, or NIIN 013211689, (ring,retaining segment,turbine e) was assigned June 12, 1990 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.

There are 4 manufacturer part numbers 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 5 years.

There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries.

This NSN is assigned to Item Name Code (INC) 77777. This item does not have a nuclear hardened feature but does have other critical feature(s) 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 2840013211689 does not contain precious metals.

This information was last updated on Aug 01, 2025.