National Stock Number
5220-00-945-9121
National Stock Number (NSN) 5220-00-945-9121, or NIIN 009459121, (gage,ring,plain) was assigned March 4, 1966 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 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jan 10, 2020, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 15349. [A GAGE USED FOR THE DIMENSIONAL CONTROL OF A SPECIFIED EXTERNAL DIAMETER, SUCH AS A SHAFT.]. 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 5220009459121 does not contain precious metals.
This information was last updated on Aug 01, 2025.