National Stock Number
1660-01-317-7211
National Stock Number (NSN) 1660-01-317-7211, or NIIN 013177211, (nosepiece,oxygen mask) was assigned April 4, 1990 in the Federal Logistics Information System (FLIS). NIIN 013177211 was cancelled on December 15, 2017, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. 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 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) 15752. [A RIGID ITEM WHICH SERVES AS A REINFORCEMENT FOR THE NOSE REGION AND HAS ACCOMMODATIONS TO HOLD IN PLACE THE ELASTIC BAND OF THE OXYGEN MASK.]. This item is a Flight Safety Critical Aircraft Part (FSCAP). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 1660013177211 does not contain precious metals.
This information was last updated on Jul 01, 2026.