National Stock Number
5120-00-150-7488
National Stock Number (NSN) 5120-00-150-7488, or NIIN 001507488, (counterbore tool,cylinder block) was assigned August 19, 1970 in the Federal Logistics Information System (FLIS). This NSN replaces 3 stock numbers: 5133011713937, 4910011509713, 5133000728366.
There are 6 manufacturer part numbers associated with this NSN. 3 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. ISO Group has several sources of supply for this NSN.
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. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 1991, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 77777. 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 5120001507488 does not contain precious metals.
This information was last updated on Aug 01, 2025.