National Stock Number
5120-01-280-9952
National Stock Number (NSN) 5120-01-280-9952, or NIIN 012809952, (expander,piston ring) has an unknown assigned date. NIIN 012809952 was cancelled on May 23, 2000, 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 no manufacturer part numbers associated to this NSN.
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.]. This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5120012809952 does not contain precious metals.
This information was last updated on Jul 01, 2025.