National Stock Number
5120-00-772-7891
National Stock Number (NSN) 5120-00-772-7891, or NIIN 007727891, (expander,piston ring) was assigned January 1, 1960 in the Federal Logistics Information System (FLIS). NIIN 007727891 was cancelled on April 30, 2010, 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 3 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, 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) 18364. [A PLIER-LIKE HAND TOOL, DESIGNED TO GRIP AND EXPAND PISTON RINGS WHEN INSTALLING OR REMOVING SAME FROM PISTONS.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5120007727891 does not contain precious metals.
This information was last updated on Jul 01, 2025.