National Stock Number
5120-01-234-0131
National Stock Number (NSN) 5120-01-234-0131, or NIIN 012340131, (expander,piston ring) was assigned June 6, 1986 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, 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 01, 2020, this NSN's acquisition method was noted as: Not established. Not established.
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 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 5120012340131 does not contain precious metals.
This information was last updated on May 01, 2025.